diff --git a/packages/tooling/fast-tooling/build/generate-mdn-data-files.js b/packages/tooling/fast-tooling/build/generate-mdn-data-files.js
index 04ba7d3749a..d65ead695c7 100644
--- a/packages/tooling/fast-tooling/build/generate-mdn-data-files.js
+++ b/packages/tooling/fast-tooling/build/generate-mdn-data-files.js
@@ -29,11 +29,16 @@ const comment = `/**
 
 (function () {
     if (yargs.argv.test) {
-        const updatedCSSProperties = mapCSSProperties({
-            properties: mdnCSS.properties,
-            syntaxes: mdnCSS.syntaxes,
-            types: mdnCSS.types,
-        });
+        const updatedCSSProperties = mapCSSProperties(
+            {
+                properties: mdnCSS.properties,
+                syntaxes: mdnCSS.syntaxes,
+                types: mdnCSS.types,
+            },
+            {
+                status: "standard",
+            }
+        );
 
         if (isEqual(updatedCSSProperties, properties)) {
             console.log(
@@ -52,11 +57,16 @@ const comment = `/**
         fs.writeFile(
             outFilePath,
             `${comment}export const properties = ${JSON.stringify(
-                mapCSSProperties({
-                    properties: mdnCSS.properties,
-                    syntaxes: mdnCSS.syntaxes,
-                    types: mdnCSS.types,
-                }),
+                mapCSSProperties(
+                    {
+                        properties: mdnCSS.properties,
+                        syntaxes: mdnCSS.syntaxes,
+                        types: mdnCSS.types,
+                    },
+                    {
+                        status: "standard",
+                    }
+                ),
                 null,
                 4
             )}\n\nexport const syntaxes = ${JSON.stringify(
diff --git a/packages/tooling/fast-tooling/src/css-data.js b/packages/tooling/fast-tooling/src/css-data.js
index 09d238bdec2..691d04a903d 100644
--- a/packages/tooling/fast-tooling/src/css-data.js
+++ b/packages/tooling/fast-tooling/src/css-data.js
@@ -2,39 +2,26 @@
  * This file is generated from build/generate-mdn-data-files.js
  * any modifications will be overwritten.
  *
- * Last modified: 11/20/2020
+ * Last modified: 12/3/2020
  */
 export const properties = {
-    "--*": {
-        name: "--*",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "--*",
-            percentages: "no",
-            ref: "<declaration-value>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "value",
-        },
-    },
-    "-ms-accelerator": {
-        name: "-ms-accelerator",
+    "-webkit-line-clamp": {
+        name: "-webkit-line-clamp",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-accelerator",
+            mapsToProperty: "-webkit-line-clamp",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "false",
+                    ref: "none",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "true",
+                    type: "type",
+                    ref: "<integer>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
@@ -46,37 +33,46 @@ export const properties = {
             type: "mixed",
         },
     },
-    "-ms-block-progression": {
-        name: "-ms-block-progression",
-        appliesTo: "allElements",
+    "align-content": {
+        name: "align-content",
+        appliesTo: "multilineFlexContainers",
         syntax: {
-            mapsToProperty: "-ms-block-progression",
+            mapsToProperty: "align-content",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "tb",
+                    ref: "normal",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "rl",
+                    type: "syntax",
+                    ref: "<baseline-position>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "bt",
+                    type: "syntax",
+                    ref: "<content-distribution>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "lr",
+                    type: "syntax",
+                    ref: "<overflow-position>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "zeroOrOne",
+                    },
+                },
+                {
+                    type: "syntax",
+                    ref: "<content-position>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
@@ -88,27 +84,58 @@ export const properties = {
             type: "mixed",
         },
     },
-    "-ms-content-zoom-chaining": {
-        name: "-ms-content-zoom-chaining",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
+    "align-items": {
+        name: "align-items",
+        appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-content-zoom-chaining",
+            mapsToProperty: "align-items",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "none",
+                    ref: "normal",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "chained",
+                    ref: "stretch",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: null,
+                },
+                {
+                    type: "syntax",
+                    ref: "<baseline-position>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
+                {
+                    type: "mixed",
+                    ref: [
+                        {
+                            type: "syntax",
+                            ref: "<overflow-position>",
+                            refCombinatorType: "none",
+                            prepend: null,
+                            multiplier: {
+                                type: "zeroOrOne",
+                            },
+                        },
+                        {
+                            type: "syntax",
+                            ref: "<self-position>",
+                            refCombinatorType: "none",
+                            prepend: null,
+                            multiplier: null,
+                        },
+                    ],
+                    refCombinatorType: "juxtaposition",
+                    prepend: null,
+                    multiplier: null,
+                },
             ],
             refCombinatorType: "exactlyOne",
             multiplier: null,
@@ -116,153 +143,95 @@ export const properties = {
             type: "mixed",
         },
     },
-    "-ms-content-zooming": {
-        name: "-ms-content-zooming",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
+    "align-self": {
+        name: "align-self",
+        appliesTo: "flexItemsGridItemsAndAbsolutelyPositionedBoxes",
         syntax: {
-            mapsToProperty: "-ms-content-zooming",
+            mapsToProperty: "align-self",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "none",
+                    ref: "auto",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "zoom",
+                    ref: "normal",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-content-zoom-limit": {
-        name: "-ms-content-zoom-limit",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-content-zoom-limit",
-            percentages: ["-ms-content-zoom-limit-max", "-ms-content-zoom-limit-min"],
-            ref: [
                 {
-                    type: "property",
-                    ref: "<'-ms-content-zoom-limit-min'>",
+                    type: "value",
+                    ref: "stretch",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "property",
-                    ref: "<'-ms-content-zoom-limit-max'>",
+                    type: "syntax",
+                    ref: "<baseline-position>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-content-zoom-limit-max": {
-        name: "-ms-content-zoom-limit-max",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-content-zoom-limit-max",
-            percentages: "maxZoomFactor",
-            ref: "<percentage>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
-    "-ms-content-zoom-limit-min": {
-        name: "-ms-content-zoom-limit-min",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-content-zoom-limit-min",
-            percentages: "minZoomFactor",
-            ref: "<percentage>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
-    "-ms-content-zoom-snap": {
-        name: "-ms-content-zoom-snap",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-content-zoom-snap",
-            percentages: "no",
-            ref: [
                 {
-                    type: "property",
-                    ref: "<'-ms-content-zoom-snap-type'>",
+                    type: "syntax",
+                    ref: "<overflow-position>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "zeroOrOne",
+                    },
                 },
                 {
-                    type: "property",
-                    ref: "<'-ms-content-zoom-snap-points'>",
+                    type: "syntax",
+                    ref: "<self-position>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
             ],
-            refCombinatorType: "atLeastOneInAnyOrder",
+            refCombinatorType: "exactlyOne",
             multiplier: null,
             prepend: null,
             type: "mixed",
         },
     },
-    "-ms-content-zoom-snap-points": {
-        name: "-ms-content-zoom-snap-points",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-content-zoom-snap-points",
-            percentages: "no",
-            ref: "snapInterval( <percentage>, <percentage> ) | snapList( <percentage># )",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "value",
-        },
-    },
-    "-ms-content-zoom-snap-type": {
-        name: "-ms-content-zoom-snap-type",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
+    all: {
+        name: "all",
+        appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-content-zoom-snap-type",
+            mapsToProperty: "all",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "none",
+                    ref: "initial",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: null,
+                },
+                {
+                    type: "value",
+                    ref: "inherit",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "proximity",
+                    ref: "unset",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "mandatory",
+                    ref: "revert",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
@@ -274,214 +243,253 @@ export const properties = {
             type: "mixed",
         },
     },
-    "-ms-filter": {
-        name: "-ms-filter",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-filter",
-            percentages: "no",
-            ref: "<string>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
-    "-ms-flow-from": {
-        name: "-ms-flow-from",
-        appliesTo: "nonReplacedElements",
+    animation: {
+        name: "animation",
+        appliesTo: "allElementsAndPseudos",
         syntax: {
-            mapsToProperty: "-ms-flow-from",
+            mapsToProperty: "animation",
             percentages: "no",
             ref: [
                 {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<custom-ident>",
+                    type: "syntax",
+                    ref: "<single-animation>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "none",
             multiplier: {
                 type: "oneOrMoreSeparatedByComma",
             },
             prepend: null,
-            type: "mixed",
+            type: "syntax",
         },
     },
-    "-ms-flow-into": {
-        name: "-ms-flow-into",
-        appliesTo: "iframeElements",
+    "animation-delay": {
+        name: "animation-delay",
+        appliesTo: "allElementsAndPseudos",
         syntax: {
-            mapsToProperty: "-ms-flow-into",
+            mapsToProperty: "animation-delay",
             percentages: "no",
             ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
                 {
                     type: "type",
-                    ref: "<custom-ident>",
+                    ref: "<time>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "none",
             multiplier: {
                 type: "oneOrMoreSeparatedByComma",
             },
             prepend: null,
-            type: "mixed",
+            type: "type",
         },
     },
-    "-ms-high-contrast-adjust": {
-        name: "-ms-high-contrast-adjust",
-        appliesTo: "allElements",
+    "animation-direction": {
+        name: "animation-direction",
+        appliesTo: "allElementsAndPseudos",
         syntax: {
-            mapsToProperty: "-ms-high-contrast-adjust",
+            mapsToProperty: "animation-direction",
             percentages: "no",
             ref: [
                 {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "none",
+                    type: "syntax",
+                    ref: "<single-animation-direction>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
                 },
             ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
+            refCombinatorType: "none",
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
-            type: "mixed",
+            type: "syntax",
         },
     },
-    "-ms-hyphenate-limit-chars": {
-        name: "-ms-hyphenate-limit-chars",
-        appliesTo: "allElements",
+    "animation-duration": {
+        name: "animation-duration",
+        appliesTo: "allElementsAndPseudos",
         syntax: {
-            mapsToProperty: "-ms-hyphenate-limit-chars",
+            mapsToProperty: "animation-duration",
             percentages: "no",
             ref: [
                 {
-                    type: "value",
-                    ref: "auto",
+                    type: "type",
+                    ref: "<time>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
                 },
+            ],
+            refCombinatorType: "none",
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
+            prepend: null,
+            type: "type",
+        },
+    },
+    "animation-fill-mode": {
+        name: "animation-fill-mode",
+        appliesTo: "allElementsAndPseudos",
+        syntax: {
+            mapsToProperty: "animation-fill-mode",
+            percentages: "no",
+            ref: [
                 {
-                    type: "type",
-                    ref: "<integer>",
+                    type: "syntax",
+                    ref: "<single-animation-fill-mode>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: {
-                        type: "atLeastATimesAtMostBTimes",
-                        range: [1, 3],
+                        type: "oneOrMoreSeparatedByComma",
                     },
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "none",
             multiplier: {
-                type: "atLeastATimesAtMostBTimes",
-                range: [1, 3],
+                type: "oneOrMoreSeparatedByComma",
             },
             prepend: null,
-            type: "mixed",
+            type: "syntax",
         },
     },
-    "-ms-hyphenate-limit-lines": {
-        name: "-ms-hyphenate-limit-lines",
-        appliesTo: "blockContainerElements",
+    "animation-iteration-count": {
+        name: "animation-iteration-count",
+        appliesTo: "allElementsAndPseudos",
+        syntax: {
+            mapsToProperty: "animation-iteration-count",
+            percentages: "no",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<single-animation-iteration-count>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
+                },
+            ],
+            refCombinatorType: "none",
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
+            prepend: null,
+            type: "syntax",
+        },
+    },
+    "animation-name": {
+        name: "animation-name",
+        appliesTo: "allElementsAndPseudos",
         syntax: {
-            mapsToProperty: "-ms-hyphenate-limit-lines",
+            mapsToProperty: "animation-name",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "no-limit",
+                    ref: "none",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "type",
-                    ref: "<integer>",
+                    type: "syntax",
+                    ref: "<keyframes-name>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
             ],
             refCombinatorType: "exactlyOne",
-            multiplier: null,
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
             type: "mixed",
         },
     },
-    "-ms-hyphenate-limit-zone": {
-        name: "-ms-hyphenate-limit-zone",
-        appliesTo: "blockContainerElements",
+    "animation-play-state": {
+        name: "animation-play-state",
+        appliesTo: "allElementsAndPseudos",
         syntax: {
-            mapsToProperty: "-ms-hyphenate-limit-zone",
-            percentages: "referToLineBoxWidth",
+            mapsToProperty: "animation-play-state",
+            percentages: "no",
             ref: [
                 {
-                    type: "type",
-                    ref: "<percentage>",
+                    type: "syntax",
+                    ref: "<single-animation-play-state>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
                 },
+            ],
+            refCombinatorType: "none",
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
+            prepend: null,
+            type: "syntax",
+        },
+    },
+    "animation-timing-function": {
+        name: "animation-timing-function",
+        appliesTo: "allElementsAndPseudos",
+        syntax: {
+            mapsToProperty: "animation-timing-function",
+            percentages: "no",
+            ref: [
                 {
-                    type: "type",
-                    ref: "<length>",
+                    type: "syntax",
+                    ref: "<timing-function>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
                 },
             ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
+            refCombinatorType: "none",
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
-            type: "mixed",
+            type: "syntax",
         },
     },
-    "-ms-ime-align": {
-        name: "-ms-ime-align",
-        appliesTo: "allElements",
+    "backdrop-filter": {
+        name: "backdrop-filter",
+        appliesTo: "allElementsSVGContainerElements",
         syntax: {
-            mapsToProperty: "-ms-ime-align",
+            mapsToProperty: "backdrop-filter",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "auto",
+                    ref: "none",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "after",
+                    type: "syntax",
+                    ref: "<filter-function-list>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
@@ -493,92 +501,152 @@ export const properties = {
             type: "mixed",
         },
     },
-    "-ms-overflow-style": {
-        name: "-ms-overflow-style",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
+    "backface-visibility": {
+        name: "backface-visibility",
+        appliesTo: "transformableElements",
         syntax: {
-            mapsToProperty: "-ms-overflow-style",
+            mapsToProperty: "backface-visibility",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "auto",
+                    ref: "visible",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "none",
+                    ref: "hidden",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
+            ],
+            refCombinatorType: "exactlyOne",
+            multiplier: null,
+            prepend: null,
+            type: "mixed",
+        },
+    },
+    background: {
+        name: "background",
+        appliesTo: "allElements",
+        syntax: {
+            mapsToProperty: "background",
+            percentages: ["background-position", "background-size"],
+            ref: [
                 {
-                    type: "value",
-                    ref: "scrollbar",
-                    refCombinatorType: "none",
+                    type: "mixed",
+                    ref: [
+                        {
+                            type: "syntax",
+                            ref: "<bg-layer>",
+                            refCombinatorType: "none",
+                            prepend: null,
+                            multiplier: null,
+                        },
+                    ],
+                    refCombinatorType: "juxtaposition",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "zeroOrMore",
+                    },
                 },
                 {
-                    type: "value",
-                    ref: "-ms-autohiding-scrollbar",
+                    type: "syntax",
+                    ref: "<final-bg-layer>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "juxtaposition",
             multiplier: null,
             prepend: null,
             type: "mixed",
         },
     },
-    "-ms-scrollbar-3dlight-color": {
-        name: "-ms-scrollbar-3dlight-color",
+    "background-attachment": {
+        name: "background-attachment",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-scrollbar-3dlight-color",
+            mapsToProperty: "background-attachment",
             percentages: "no",
-            ref: "<color>",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<attachment>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
+                },
+            ],
             refCombinatorType: "none",
-            multiplier: null,
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
             type: "syntax",
         },
     },
-    "-ms-scrollbar-arrow-color": {
-        name: "-ms-scrollbar-arrow-color",
-        appliesTo: "allElements",
+    "background-blend-mode": {
+        name: "background-blend-mode",
+        appliesTo: "allElementsSVGContainerGraphicsAndGraphicsReferencingElements",
         syntax: {
-            mapsToProperty: "-ms-scrollbar-arrow-color",
+            mapsToProperty: "background-blend-mode",
             percentages: "no",
-            ref: "<color>",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<blend-mode>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
+                },
+            ],
             refCombinatorType: "none",
-            multiplier: null,
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
             type: "syntax",
         },
     },
-    "-ms-scrollbar-base-color": {
-        name: "-ms-scrollbar-base-color",
+    "background-clip": {
+        name: "background-clip",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-scrollbar-base-color",
+            mapsToProperty: "background-clip",
             percentages: "no",
-            ref: "<color>",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<box>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
+                },
+            ],
             refCombinatorType: "none",
-            multiplier: null,
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
             type: "syntax",
         },
     },
-    "-ms-scrollbar-darkshadow-color": {
-        name: "-ms-scrollbar-darkshadow-color",
+    "background-color": {
+        name: "background-color",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-scrollbar-darkshadow-color",
+            mapsToProperty: "background-color",
             percentages: "no",
             ref: "<color>",
             refCombinatorType: "none",
@@ -587,4201 +655,33 @@ export const properties = {
             type: "syntax",
         },
     },
-    "-ms-scrollbar-face-color": {
-        name: "-ms-scrollbar-face-color",
+    "background-image": {
+        name: "background-image",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "-ms-scrollbar-face-color",
+            mapsToProperty: "background-image",
             percentages: "no",
-            ref: "<color>",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<bg-image>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "oneOrMoreSeparatedByComma",
+                    },
+                },
+            ],
             refCombinatorType: "none",
-            multiplier: null,
+            multiplier: {
+                type: "oneOrMoreSeparatedByComma",
+            },
             prepend: null,
             type: "syntax",
         },
     },
-    "-ms-scrollbar-highlight-color": {
-        name: "-ms-scrollbar-highlight-color",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-scrollbar-highlight-color",
-            percentages: "no",
-            ref: "<color>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "-ms-scrollbar-shadow-color": {
-        name: "-ms-scrollbar-shadow-color",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-scrollbar-shadow-color",
-            percentages: "no",
-            ref: "<color>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "-ms-scrollbar-track-color": {
-        name: "-ms-scrollbar-track-color",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-scrollbar-track-color",
-            percentages: "no",
-            ref: "<color>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "-ms-scroll-chaining": {
-        name: "-ms-scroll-chaining",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-chaining",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "chained",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-limit": {
-        name: "-ms-scroll-limit",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-limit",
-            percentages: "no",
-            ref: [
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-limit-x-min'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-limit-y-min'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-limit-x-max'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-limit-y-max'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-limit-x-max": {
-        name: "-ms-scroll-limit-x-max",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-limit-x-max",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<length>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-limit-x-min": {
-        name: "-ms-scroll-limit-x-min",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-limit-x-min",
-            percentages: "no",
-            ref: "<length>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
-    "-ms-scroll-limit-y-max": {
-        name: "-ms-scroll-limit-y-max",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-limit-y-max",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<length>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-limit-y-min": {
-        name: "-ms-scroll-limit-y-min",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-limit-y-min",
-            percentages: "no",
-            ref: "<length>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
-    "-ms-scroll-rails": {
-        name: "-ms-scroll-rails",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-rails",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "railed",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-snap-points-x": {
-        name: "-ms-scroll-snap-points-x",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-snap-points-x",
-            percentages: "no",
-            ref:
-                "snapInterval( <length-percentage>, <length-percentage> ) | snapList( <length-percentage># )",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "value",
-        },
-    },
-    "-ms-scroll-snap-points-y": {
-        name: "-ms-scroll-snap-points-y",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-snap-points-y",
-            percentages: "no",
-            ref:
-                "snapInterval( <length-percentage>, <length-percentage> ) | snapList( <length-percentage># )",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "value",
-        },
-    },
-    "-ms-scroll-snap-type": {
-        name: "-ms-scroll-snap-type",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-snap-type",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "proximity",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "mandatory",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-snap-x": {
-        name: "-ms-scroll-snap-x",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-snap-x",
-            percentages: "no",
-            ref: [
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-snap-type'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-snap-points-x'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-snap-y": {
-        name: "-ms-scroll-snap-y",
-        appliesTo: "nonReplacedBlockAndInlineBlockElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-snap-y",
-            percentages: "no",
-            ref: [
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-snap-type'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "property",
-                    ref: "<'-ms-scroll-snap-points-y'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-scroll-translation": {
-        name: "-ms-scroll-translation",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-scroll-translation",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "vertical-to-horizontal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-text-autospace": {
-        name: "-ms-text-autospace",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-text-autospace",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "ideograph-alpha",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "ideograph-numeric",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "ideograph-parenthesis",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "ideograph-space",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-touch-select": {
-        name: "-ms-touch-select",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-ms-touch-select",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "grippers",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-user-select": {
-        name: "-ms-user-select",
-        appliesTo: "nonReplacedElements",
-        syntax: {
-            mapsToProperty: "-ms-user-select",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "element",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "text",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-wrap-flow": {
-        name: "-ms-wrap-flow",
-        appliesTo: "blockLevelElements",
-        syntax: {
-            mapsToProperty: "-ms-wrap-flow",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "both",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "start",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "end",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "maximum",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "clear",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-ms-wrap-margin": {
-        name: "-ms-wrap-margin",
-        appliesTo: "exclusionElements",
-        syntax: {
-            mapsToProperty: "-ms-wrap-margin",
-            percentages: "no",
-            ref: "<length>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
-    "-ms-wrap-through": {
-        name: "-ms-wrap-through",
-        appliesTo: "blockLevelElements",
-        syntax: {
-            mapsToProperty: "-ms-wrap-through",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "wrap",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "-moz-appearance": {
-        name: "-moz-appearance",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "-moz-appearance",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button-arrow-down",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button-arrow-next",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button-arrow-previous",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button-arrow-up",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button-bevel",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button-focus",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "caret",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "checkbox",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "checkbox-container",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "checkbox-label",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "checkmenuitem",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "dualbutton",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "groupbox",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "listbox",
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-                    ref: "<baseline-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<content-distribution>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<overflow-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrOne",
-                    },
-                },
-                {
-                    type: "syntax",
-                    ref: "<content-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "align-items": {
-        name: "align-items",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "align-items",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "normal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "stretch",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<baseline-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "syntax",
-                            ref: "<overflow-position>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: {
-                                type: "zeroOrOne",
-                            },
-                        },
-                        {
-                            type: "syntax",
-                            ref: "<self-position>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                    ],
-                    refCombinatorType: "juxtaposition",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "align-self": {
-        name: "align-self",
-        appliesTo: "flexItemsGridItemsAndAbsolutelyPositionedBoxes",
-        syntax: {
-            mapsToProperty: "align-self",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "normal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "stretch",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<baseline-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<overflow-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrOne",
-                    },
-                },
-                {
-                    type: "syntax",
-                    ref: "<self-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    all: {
-        name: "all",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "all",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "initial",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "inherit",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "unset",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "revert",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    animation: {
-        name: "animation",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<single-animation>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "animation-delay": {
-        name: "animation-delay",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-delay",
-            percentages: "no",
-            ref: [
-                {
-                    type: "type",
-                    ref: "<time>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "type",
-        },
-    },
-    "animation-direction": {
-        name: "animation-direction",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-direction",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<single-animation-direction>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "animation-duration": {
-        name: "animation-duration",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-duration",
-            percentages: "no",
-            ref: [
-                {
-                    type: "type",
-                    ref: "<time>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "type",
-        },
-    },
-    "animation-fill-mode": {
-        name: "animation-fill-mode",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-fill-mode",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<single-animation-fill-mode>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "animation-iteration-count": {
-        name: "animation-iteration-count",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-iteration-count",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<single-animation-iteration-count>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "animation-name": {
-        name: "animation-name",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-name",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<keyframes-name>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "animation-play-state": {
-        name: "animation-play-state",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-play-state",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<single-animation-play-state>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "animation-timing-function": {
-        name: "animation-timing-function",
-        appliesTo: "allElementsAndPseudos",
-        syntax: {
-            mapsToProperty: "animation-timing-function",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<timing-function>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    appearance: {
-        name: "appearance",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "appearance",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "button",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "textfield",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "menulist-button",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<compat-auto>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "aspect-ratio": {
-        name: "aspect-ratio",
-        appliesTo: "allElementsExceptInlineBoxesAndInternalRubyOrTableBoxes",
-        syntax: {
-            mapsToProperty: "aspect-ratio",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<ratio>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    azimuth: {
-        name: "azimuth",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "azimuth",
-            percentages: "no",
-            ref: [
-                {
-                    type: "type",
-                    ref: "<angle>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "mixed",
-                            ref: [
-                                {
-                                    type: "value",
-                                    ref: "left-side",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "far-left",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "left",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "center-left",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "center",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "center-right",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "right",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "far-right",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "right-side",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                            ],
-                            refCombinatorType: "exactlyOne",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                        {
-                            type: "value",
-                            ref: "behind",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                    ],
-                    refCombinatorType: "atLeastOneInAnyOrder",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "leftwards",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "rightwards",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "backdrop-filter": {
-        name: "backdrop-filter",
-        appliesTo: "allElementsSVGContainerElements",
-        syntax: {
-            mapsToProperty: "backdrop-filter",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<filter-function-list>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "backface-visibility": {
-        name: "backface-visibility",
-        appliesTo: "transformableElements",
-        syntax: {
-            mapsToProperty: "backface-visibility",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "visible",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "hidden",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    background: {
-        name: "background",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background",
-            percentages: ["background-position", "background-size"],
-            ref: [
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "syntax",
-                            ref: "<bg-layer>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                    ],
-                    refCombinatorType: "juxtaposition",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrMore",
-                    },
-                },
-                {
-                    type: "syntax",
-                    ref: "<final-bg-layer>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "background-attachment": {
-        name: "background-attachment",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-attachment",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<attachment>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "background-blend-mode": {
-        name: "background-blend-mode",
-        appliesTo: "allElementsSVGContainerGraphicsAndGraphicsReferencingElements",
-        syntax: {
-            mapsToProperty: "background-blend-mode",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<blend-mode>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "background-clip": {
-        name: "background-clip",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-clip",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<box>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "background-color": {
-        name: "background-color",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-color",
-            percentages: "no",
-            ref: "<color>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "background-image": {
-        name: "background-image",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-image",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<bg-image>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "background-origin": {
-        name: "background-origin",
+    "background-origin": {
+        name: "background-origin",
         appliesTo: "allElements",
         syntax: {
             mapsToProperty: "background-origin",
@@ -4804,192 +704,30 @@ export const properties = {
             prepend: null,
             type: "syntax",
         },
-    },
-    "background-position": {
-        name: "background-position",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-position",
-            percentages: "referToSizeOfBackgroundPositioningAreaMinusBackgroundImageSize",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<bg-position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "background-position-x": {
-        name: "background-position-x",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-position-x",
-            percentages:
-                "referToWidthOfBackgroundPositioningAreaMinusBackgroundImageHeight",
-            ref: [
-                {
-                    type: "value",
-                    ref: "center",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "mixed",
-                            ref: [
-                                {
-                                    type: "value",
-                                    ref: "left",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "right",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "x-start",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "x-end",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                            ],
-                            refCombinatorType: "exactlyOne",
-                            prepend: null,
-                            multiplier: {
-                                type: "zeroOrOne",
-                            },
-                        },
-                        {
-                            type: "syntax",
-                            ref: "<length-percentage>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: {
-                                type: "zeroOrOne",
-                            },
-                        },
-                    ],
-                    refCombinatorType: "juxtaposition",
-                    prepend: null,
-                    multiplier: {
-                        type: "atLeastOne",
-                    },
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "background-position-y": {
-        name: "background-position-y",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "background-position-y",
-            percentages:
-                "referToHeightOfBackgroundPositioningAreaMinusBackgroundImageHeight",
-            ref: [
-                {
-                    type: "value",
-                    ref: "center",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "mixed",
-                            ref: [
-                                {
-                                    type: "value",
-                                    ref: "top",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "bottom",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "y-start",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "value",
-                                    ref: "y-end",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                            ],
-                            refCombinatorType: "exactlyOne",
-                            prepend: null,
-                            multiplier: {
-                                type: "zeroOrOne",
-                            },
-                        },
-                        {
-                            type: "syntax",
-                            ref: "<length-percentage>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: {
-                                type: "zeroOrOne",
-                            },
-                        },
-                    ],
-                    refCombinatorType: "juxtaposition",
+    },
+    "background-position": {
+        name: "background-position",
+        appliesTo: "allElements",
+        syntax: {
+            mapsToProperty: "background-position",
+            percentages: "referToSizeOfBackgroundPositioningAreaMinusBackgroundImageSize",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<bg-position>",
+                    refCombinatorType: "none",
                     prepend: null,
                     multiplier: {
-                        type: "atLeastOne",
+                        type: "oneOrMoreSeparatedByComma",
                     },
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "none",
             multiplier: {
                 type: "oneOrMoreSeparatedByComma",
             },
             prepend: null,
-            type: "mixed",
+            type: "syntax",
         },
     },
     "background-repeat": {
@@ -5042,41 +780,6 @@ export const properties = {
             type: "syntax",
         },
     },
-    "block-overflow": {
-        name: "block-overflow",
-        appliesTo: "blockContainers",
-        syntax: {
-            mapsToProperty: "block-overflow",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "clip",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "ellipsis",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<string>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "block-size": {
         name: "block-size",
         appliesTo: "sameAsWidthAndHeight",
@@ -6178,227 +1881,40 @@ export const properties = {
                         range: [1, 4],
                     },
                 },
-                {
-                    type: "group",
-                    ref: [
-                        {
-                            type: "syntax",
-                            ref: "<length-percentage>",
-                            refCombinatorType: "none",
-                            prepend: "/",
-                            multiplier: {
-                                type: "atLeastATimesAtMostBTimes",
-                                range: [1, 4],
-                            },
-                        },
-                    ],
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrOne",
-                    },
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: {
-                type: "zeroOrOne",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "border-right": {
-        name: "border-right",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-right",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<line-width>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<line-style>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<color>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "atLeastOneInAnyOrder",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "border-right-color": {
-        name: "border-right-color",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-right-color",
-            percentages: "no",
-            ref: "<color>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-right-style": {
-        name: "border-right-style",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-right-style",
-            percentages: "no",
-            ref: "<line-style>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-right-width": {
-        name: "border-right-width",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-right-width",
-            percentages: "no",
-            ref: "<line-width>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-spacing": {
-        name: "border-spacing",
-        appliesTo: "tableElements",
-        syntax: {
-            mapsToProperty: "border-spacing",
-            percentages: "no",
-            ref: [
-                {
-                    type: "type",
-                    ref: "<length>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<length>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrOne",
-                    },
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: {
-                type: "zeroOrOne",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "border-start-end-radius": {
-        name: "border-start-end-radius",
-        appliesTo: "allElementsUAsNotRequiredWhenCollapse",
-        syntax: {
-            mapsToProperty: "border-start-end-radius",
-            percentages: "referToDimensionOfBorderBox",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<length-percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "atLeastATimesAtMostBTimes",
-                        range: [1, 2],
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "atLeastATimesAtMostBTimes",
-                range: [1, 2],
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-start-start-radius": {
-        name: "border-start-start-radius",
-        appliesTo: "allElementsUAsNotRequiredWhenCollapse",
-        syntax: {
-            mapsToProperty: "border-start-start-radius",
-            percentages: "referToDimensionOfBorderBox",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<length-percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "atLeastATimesAtMostBTimes",
-                        range: [1, 2],
-                    },
-                },
-            ],
-            refCombinatorType: "none",
-            multiplier: {
-                type: "atLeastATimesAtMostBTimes",
-                range: [1, 2],
-            },
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-style": {
-        name: "border-style",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-style",
-            percentages: "no",
-            ref: [
-                {
-                    type: "syntax",
-                    ref: "<line-style>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "atLeastATimesAtMostBTimes",
-                        range: [1, 4],
-                    },
-                },
+                {
+                    type: "group",
+                    ref: [
+                        {
+                            type: "syntax",
+                            ref: "<length-percentage>",
+                            refCombinatorType: "none",
+                            prepend: "/",
+                            multiplier: {
+                                type: "atLeastATimesAtMostBTimes",
+                                range: [1, 4],
+                            },
+                        },
+                    ],
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "zeroOrOne",
+                    },
+                },
             ],
-            refCombinatorType: "none",
+            refCombinatorType: "juxtaposition",
             multiplier: {
-                type: "atLeastATimesAtMostBTimes",
-                range: [1, 4],
+                type: "zeroOrOne",
             },
             prepend: null,
-            type: "syntax",
+            type: "mixed",
         },
     },
-    "border-top": {
-        name: "border-top",
+    "border-right": {
+        name: "border-right",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "border-top",
+            mapsToProperty: "border-right",
             percentages: "no",
             ref: [
                 {
@@ -6429,11 +1945,11 @@ export const properties = {
             type: "mixed",
         },
     },
-    "border-top-color": {
-        name: "border-top-color",
+    "border-right-color": {
+        name: "border-right-color",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "border-top-color",
+            mapsToProperty: "border-right-color",
             percentages: "no",
             ref: "<color>",
             refCombinatorType: "none",
@@ -6442,11 +1958,69 @@ export const properties = {
             type: "syntax",
         },
     },
-    "border-top-left-radius": {
-        name: "border-top-left-radius",
+    "border-right-style": {
+        name: "border-right-style",
+        appliesTo: "allElements",
+        syntax: {
+            mapsToProperty: "border-right-style",
+            percentages: "no",
+            ref: "<line-style>",
+            refCombinatorType: "none",
+            multiplier: null,
+            prepend: null,
+            type: "syntax",
+        },
+    },
+    "border-right-width": {
+        name: "border-right-width",
+        appliesTo: "allElements",
+        syntax: {
+            mapsToProperty: "border-right-width",
+            percentages: "no",
+            ref: "<line-width>",
+            refCombinatorType: "none",
+            multiplier: null,
+            prepend: null,
+            type: "syntax",
+        },
+    },
+    "border-spacing": {
+        name: "border-spacing",
+        appliesTo: "tableElements",
+        syntax: {
+            mapsToProperty: "border-spacing",
+            percentages: "no",
+            ref: [
+                {
+                    type: "type",
+                    ref: "<length>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: null,
+                },
+                {
+                    type: "type",
+                    ref: "<length>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "zeroOrOne",
+                    },
+                },
+            ],
+            refCombinatorType: "juxtaposition",
+            multiplier: {
+                type: "zeroOrOne",
+            },
+            prepend: null,
+            type: "mixed",
+        },
+    },
+    "border-start-end-radius": {
+        name: "border-start-end-radius",
         appliesTo: "allElementsUAsNotRequiredWhenCollapse",
         syntax: {
-            mapsToProperty: "border-top-left-radius",
+            mapsToProperty: "border-start-end-radius",
             percentages: "referToDimensionOfBorderBox",
             ref: [
                 {
@@ -6469,11 +2043,11 @@ export const properties = {
             type: "syntax",
         },
     },
-    "border-top-right-radius": {
-        name: "border-top-right-radius",
+    "border-start-start-radius": {
+        name: "border-start-start-radius",
         appliesTo: "allElementsUAsNotRequiredWhenCollapse",
         syntax: {
-            mapsToProperty: "border-top-right-radius",
+            mapsToProperty: "border-start-start-radius",
             percentages: "referToDimensionOfBorderBox",
             ref: [
                 {
@@ -6496,42 +2070,16 @@ export const properties = {
             type: "syntax",
         },
     },
-    "border-top-style": {
-        name: "border-top-style",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-top-style",
-            percentages: "no",
-            ref: "<line-style>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-top-width": {
-        name: "border-top-width",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "border-top-width",
-            percentages: "no",
-            ref: "<line-width>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "border-width": {
-        name: "border-width",
+    "border-style": {
+        name: "border-style",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "border-width",
+            mapsToProperty: "border-style",
             percentages: "no",
             ref: [
                 {
                     type: "syntax",
-                    ref: "<line-width>",
+                    ref: "<line-style>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: {
@@ -6549,258 +2097,185 @@ export const properties = {
             type: "syntax",
         },
     },
-    bottom: {
-        name: "bottom",
-        appliesTo: "positionedElements",
-        syntax: {
-            mapsToProperty: "bottom",
-            percentages: "referToContainingBlockHeight",
-            ref: [
-                {
-                    type: "type",
-                    ref: "<length>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "box-align": {
-        name: "box-align",
-        appliesTo: "elementsWithDisplayBoxOrInlineBox",
-        syntax: {
-            mapsToProperty: "box-align",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "start",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "center",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "end",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "baseline",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "stretch",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "box-decoration-break": {
-        name: "box-decoration-break",
+    "border-top": {
+        name: "border-top",
         appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "box-decoration-break",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "slice",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "clone",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "box-direction": {
-        name: "box-direction",
-        appliesTo: "elementsWithDisplayBoxOrInlineBox",
-        syntax: {
-            mapsToProperty: "box-direction",
+            mapsToProperty: "border-top",
             percentages: "no",
             ref: [
-                {
-                    type: "value",
-                    ref: "normal",
+                {
+                    type: "syntax",
+                    ref: "<line-width>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "reverse",
+                    type: "syntax",
+                    ref: "<line-style>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "inherit",
+                    type: "syntax",
+                    ref: "<color>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "atLeastOneInAnyOrder",
             multiplier: null,
             prepend: null,
             type: "mixed",
         },
     },
-    "box-flex": {
-        name: "box-flex",
-        appliesTo: "directChildrenOfElementsWithDisplayMozBoxMozInlineBox",
+    "border-top-color": {
+        name: "border-top-color",
+        appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "box-flex",
+            mapsToProperty: "border-top-color",
             percentages: "no",
-            ref: "<number>",
+            ref: "<color>",
             refCombinatorType: "none",
             multiplier: null,
             prepend: null,
-            type: "type",
+            type: "syntax",
         },
     },
-    "box-flex-group": {
-        name: "box-flex-group",
-        appliesTo: "inFlowChildrenOfBoxElements",
+    "border-top-left-radius": {
+        name: "border-top-left-radius",
+        appliesTo: "allElementsUAsNotRequiredWhenCollapse",
         syntax: {
-            mapsToProperty: "box-flex-group",
-            percentages: "no",
-            ref: "<integer>",
+            mapsToProperty: "border-top-left-radius",
+            percentages: "referToDimensionOfBorderBox",
+            ref: [
+                {
+                    type: "syntax",
+                    ref: "<length-percentage>",
+                    refCombinatorType: "none",
+                    prepend: null,
+                    multiplier: {
+                        type: "atLeastATimesAtMostBTimes",
+                        range: [1, 2],
+                    },
+                },
+            ],
             refCombinatorType: "none",
-            multiplier: null,
+            multiplier: {
+                type: "atLeastATimesAtMostBTimes",
+                range: [1, 2],
+            },
             prepend: null,
-            type: "type",
+            type: "syntax",
         },
     },
-    "box-lines": {
-        name: "box-lines",
-        appliesTo: "boxElements",
+    "border-top-right-radius": {
+        name: "border-top-right-radius",
+        appliesTo: "allElementsUAsNotRequiredWhenCollapse",
         syntax: {
-            mapsToProperty: "box-lines",
-            percentages: "no",
+            mapsToProperty: "border-top-right-radius",
+            percentages: "referToDimensionOfBorderBox",
             ref: [
                 {
-                    type: "value",
-                    ref: "single",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "multiple",
+                    type: "syntax",
+                    ref: "<length-percentage>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "atLeastATimesAtMostBTimes",
+                        range: [1, 2],
+                    },
                 },
             ],
-            refCombinatorType: "exactlyOne",
+            refCombinatorType: "none",
+            multiplier: {
+                type: "atLeastATimesAtMostBTimes",
+                range: [1, 2],
+            },
+            prepend: null,
+            type: "syntax",
+        },
+    },
+    "border-top-style": {
+        name: "border-top-style",
+        appliesTo: "allElements",
+        syntax: {
+            mapsToProperty: "border-top-style",
+            percentages: "no",
+            ref: "<line-style>",
+            refCombinatorType: "none",
             multiplier: null,
             prepend: null,
-            type: "mixed",
+            type: "syntax",
         },
     },
-    "box-ordinal-group": {
-        name: "box-ordinal-group",
-        appliesTo: "childrenOfBoxElements",
+    "border-top-width": {
+        name: "border-top-width",
+        appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "box-ordinal-group",
+            mapsToProperty: "border-top-width",
             percentages: "no",
-            ref: "<integer>",
+            ref: "<line-width>",
             refCombinatorType: "none",
             multiplier: null,
             prepend: null,
-            type: "type",
+            type: "syntax",
         },
     },
-    "box-orient": {
-        name: "box-orient",
-        appliesTo: "elementsWithDisplayBoxOrInlineBox",
+    "border-width": {
+        name: "border-width",
+        appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "box-orient",
+            mapsToProperty: "border-width",
             percentages: "no",
             ref: [
                 {
-                    type: "value",
-                    ref: "horizontal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "vertical",
+                    type: "syntax",
+                    ref: "<line-width>",
                     refCombinatorType: "none",
                     prepend: null,
-                    multiplier: null,
+                    multiplier: {
+                        type: "atLeastATimesAtMostBTimes",
+                        range: [1, 4],
+                    },
                 },
+            ],
+            refCombinatorType: "none",
+            multiplier: {
+                type: "atLeastATimesAtMostBTimes",
+                range: [1, 4],
+            },
+            prepend: null,
+            type: "syntax",
+        },
+    },
+    bottom: {
+        name: "bottom",
+        appliesTo: "positionedElements",
+        syntax: {
+            mapsToProperty: "bottom",
+            percentages: "referToContainingBlockHeight",
+            ref: [
                 {
-                    type: "value",
-                    ref: "inline-axis",
+                    type: "type",
+                    ref: "<length>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
-                    type: "value",
-                    ref: "block-axis",
+                    type: "type",
+                    ref: "<percentage>",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "inherit",
+                    ref: "auto",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
@@ -6812,37 +2287,23 @@ export const properties = {
             type: "mixed",
         },
     },
-    "box-pack": {
-        name: "box-pack",
-        appliesTo: "elementsWithDisplayMozBoxMozInlineBox",
+    "box-decoration-break": {
+        name: "box-decoration-break",
+        appliesTo: "allElements",
         syntax: {
-            mapsToProperty: "box-pack",
+            mapsToProperty: "box-decoration-break",
             percentages: "no",
             ref: [
                 {
                     type: "value",
-                    ref: "start",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "center",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "end",
+                    ref: "slice",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
                 },
                 {
                     type: "value",
-                    ref: "justify",
+                    ref: "clone",
                     refCombinatorType: "none",
                     prepend: null,
                     multiplier: null,
@@ -9084,55 +4545,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "font-smooth": {
-        name: "font-smooth",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "font-smooth",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "never",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "always",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<absolute-size>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<length>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "font-stretch": {
         name: "font-stretch",
         appliesTo: "allElements",
@@ -10158,19 +5570,6 @@ export const properties = {
             type: "syntax",
         },
     },
-    "grid-column-gap": {
-        name: "grid-column-gap",
-        appliesTo: "gridContainers",
-        syntax: {
-            mapsToProperty: "grid-column-gap",
-            percentages: "referToDimensionOfContentArea",
-            ref: "<length-percentage>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
     "grid-column-start": {
         name: "grid-column-start",
         appliesTo: "gridItemsAndBoxesWithinGridContainer",
@@ -10184,38 +5583,6 @@ export const properties = {
             type: "syntax",
         },
     },
-    "grid-gap": {
-        name: "grid-gap",
-        appliesTo: "gridContainers",
-        syntax: {
-            mapsToProperty: "grid-gap",
-            percentages: "no",
-            ref: [
-                {
-                    type: "property",
-                    ref: "<'grid-row-gap'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "property",
-                    ref: "<'grid-column-gap'>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrOne",
-                    },
-                },
-            ],
-            refCombinatorType: "juxtaposition",
-            multiplier: {
-                type: "zeroOrOne",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "grid-row": {
         name: "grid-row",
         appliesTo: "gridItemsAndBoxesWithinGridContainer",
@@ -10258,24 +5625,11 @@ export const properties = {
     },
     "grid-row-end": {
         name: "grid-row-end",
-        appliesTo: "gridItemsAndBoxesWithinGridContainer",
-        syntax: {
-            mapsToProperty: "grid-row-end",
-            percentages: "no",
-            ref: "<grid-line>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "grid-row-gap": {
-        name: "grid-row-gap",
-        appliesTo: "gridContainers",
+        appliesTo: "gridItemsAndBoxesWithinGridContainer",
         syntax: {
-            mapsToProperty: "grid-row-gap",
-            percentages: "referToDimensionOfContentArea",
-            ref: "<length-percentage>",
+            mapsToProperty: "grid-row-end",
+            percentages: "no",
+            ref: "<grid-line>",
             refCombinatorType: "none",
             multiplier: null,
             prepend: null,
@@ -10782,189 +6136,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "image-resolution": {
-        name: "image-resolution",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "image-resolution",
-            percentages: "no",
-            ref: [
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "value",
-                            ref: "from-image",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                        {
-                            type: "type",
-                            ref: "<resolution>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                    ],
-                    refCombinatorType: "atLeastOneInAnyOrder",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "snap",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "zeroOrOne",
-                    },
-                },
-            ],
-            refCombinatorType: "mandatoryInAnyOrder",
-            multiplier: {
-                type: "zeroOrOne",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "ime-mode": {
-        name: "ime-mode",
-        appliesTo: "textFields",
-        syntax: {
-            mapsToProperty: "ime-mode",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "normal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "active",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "inactive",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "disabled",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "initial-letter": {
-        name: "initial-letter",
-        appliesTo: "firstLetterPseudoElementsAndInlineLevelFirstChildren",
-        syntax: {
-            mapsToProperty: "initial-letter",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "normal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "type",
-                            ref: "<number>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                        {
-                            type: "type",
-                            ref: "<integer>",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: {
-                                type: "zeroOrOne",
-                            },
-                        },
-                    ],
-                    refCombinatorType: "juxtaposition",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "initial-letter-align": {
-        name: "initial-letter-align",
-        appliesTo: "firstLetterPseudoElementsAndInlineLevelFirstChildren",
-        syntax: {
-            mapsToProperty: "initial-letter-align",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "alphabetic",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "hanging",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "ideographic",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "inline-size": {
         name: "inline-size",
         appliesTo: "sameAsWidthAndHeight",
@@ -11505,34 +6676,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "line-clamp": {
-        name: "line-clamp",
-        appliesTo: "blockContainersExceptMultiColumnContainers",
-        syntax: {
-            mapsToProperty: "line-clamp",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<integer>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "line-height": {
         name: "line-height",
         appliesTo: "allElements",
@@ -11575,19 +6718,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "line-height-step": {
-        name: "line-height-step",
-        appliesTo: "blockContainers",
-        syntax: {
-            mapsToProperty: "line-height-step",
-            percentages: "no",
-            ref: "<length>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "type",
-        },
-    },
     "list-style": {
         name: "list-style",
         appliesTo: "listItems",
@@ -11998,41 +7128,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "margin-trim": {
-        name: "margin-trim",
-        appliesTo: "blockContainersAndMultiColumnContainers",
-        syntax: {
-            mapsToProperty: "margin-trim",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "in-flow",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "all",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     mask: {
         name: "mask",
         appliesTo: "allElementsSVGContainerElements",
@@ -12664,39 +7759,11 @@ export const properties = {
         syntax: {
             mapsToProperty: "max-inline-size",
             percentages: "inlineSizeOfContainingBlock",
-            ref: "<'max-width'>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "property",
-        },
-    },
-    "max-lines": {
-        name: "max-lines",
-        appliesTo: "blockContainersExceptMultiColumnContainers",
-        syntax: {
-            mapsToProperty: "max-lines",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<integer>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
+            ref: "<'max-width'>",
+            refCombinatorType: "none",
             multiplier: null,
             prepend: null,
-            type: "mixed",
+            type: "property",
         },
     },
     "max-width": {
@@ -13208,34 +8275,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "offset-position": {
-        name: "offset-position",
-        appliesTo: "transformableElements",
-        syntax: {
-            mapsToProperty: "offset-position",
-            percentages: "referToSizeOfContainingBlock",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "offset-rotate": {
         name: "offset-rotate",
         appliesTo: "transformableElements",
@@ -13564,34 +8603,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "overflow-clip-box": {
-        name: "overflow-clip-box",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "overflow-clip-box",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "padding-box",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "content-box",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "overflow-inline": {
         name: "overflow-inline",
         appliesTo: "blockContainersFlexContainersGridContainers",
@@ -14947,118 +9958,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "ruby-align": {
-        name: "ruby-align",
-        appliesTo: "rubyBasesAnnotationsBaseAnnotationContainers",
-        syntax: {
-            mapsToProperty: "ruby-align",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "start",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "center",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "space-between",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "space-around",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "ruby-merge": {
-        name: "ruby-merge",
-        appliesTo: "rubyAnnotationsContainers",
-        syntax: {
-            mapsToProperty: "ruby-merge",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "separate",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "collapse",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "ruby-position": {
-        name: "ruby-position",
-        appliesTo: "rubyAnnotationsContainers",
-        syntax: {
-            mapsToProperty: "ruby-position",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "over",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "under",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "inter-character",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     scale: {
         name: "scale",
         appliesTo: "transformableElements",
@@ -15737,125 +10636,10 @@ export const properties = {
                 },
             ],
             refCombinatorType: "exactlyOne",
-            multiplier: {
-                type: "atLeastATimesAtMostBTimes",
-                range: [1, 2],
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "scroll-snap-coordinate": {
-        name: "scroll-snap-coordinate",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "scroll-snap-coordinate",
-            percentages: "referToBorderBox",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<position>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: {
-                        type: "oneOrMoreSeparatedByComma",
-                    },
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: {
-                type: "oneOrMoreSeparatedByComma",
-            },
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "scroll-snap-destination": {
-        name: "scroll-snap-destination",
-        appliesTo: "scrollContainers",
-        syntax: {
-            mapsToProperty: "scroll-snap-destination",
-            percentages: "relativeToScrollContainerPaddingBoxAxis",
-            ref: "<position>",
-            refCombinatorType: "none",
-            multiplier: null,
-            prepend: null,
-            type: "syntax",
-        },
-    },
-    "scroll-snap-points-x": {
-        name: "scroll-snap-points-x",
-        appliesTo: "scrollContainers",
-        syntax: {
-            mapsToProperty: "scroll-snap-points-x",
-            percentages: "relativeToScrollContainerPaddingBoxAxis",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "repeat",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<length-percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "scroll-snap-points-y": {
-        name: "scroll-snap-points-y",
-        appliesTo: "scrollContainers",
-        syntax: {
-            mapsToProperty: "scroll-snap-points-y",
-            percentages: "relativeToScrollContainerPaddingBoxAxis",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "repeat",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "syntax",
-                    ref: "<length-percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
+            multiplier: {
+                type: "atLeastATimesAtMostBTimes",
+                range: [1, 2],
+            },
             prepend: null,
             type: "mixed",
         },
@@ -15970,76 +10754,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "scroll-snap-type-x": {
-        name: "scroll-snap-type-x",
-        appliesTo: "scrollContainers",
-        syntax: {
-            mapsToProperty: "scroll-snap-type-x",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "mandatory",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "proximity",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
-    "scroll-snap-type-y": {
-        name: "scroll-snap-type-y",
-        appliesTo: "scrollContainers",
-        syntax: {
-            mapsToProperty: "scroll-snap-type-y",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "mandatory",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "proximity",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "shape-image-threshold": {
         name: "shape-image-threshold",
         appliesTo: "floats",
@@ -16468,93 +11182,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "text-decoration-skip": {
-        name: "text-decoration-skip",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "text-decoration-skip",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "mixed",
-                    ref: [
-                        {
-                            type: "value",
-                            ref: "objects",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                        {
-                            type: "mixed",
-                            ref: [
-                                {
-                                    type: "value",
-                                    ref: "spaces",
-                                    refCombinatorType: "none",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                                {
-                                    type: "mixed",
-                                    ref: [
-                                        {
-                                            type: "value",
-                                            ref: "leading-spaces",
-                                            refCombinatorType: "none",
-                                            prepend: null,
-                                            multiplier: null,
-                                        },
-                                        {
-                                            type: "value",
-                                            ref: "trailing-spaces",
-                                            refCombinatorType: "none",
-                                            prepend: null,
-                                            multiplier: null,
-                                        },
-                                    ],
-                                    refCombinatorType: "atLeastOneInAnyOrder",
-                                    prepend: null,
-                                    multiplier: null,
-                                },
-                            ],
-                            refCombinatorType: "exactlyOne",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                        {
-                            type: "value",
-                            ref: "edges",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                        {
-                            type: "value",
-                            ref: "box-decoration",
-                            refCombinatorType: "none",
-                            prepend: null,
-                            multiplier: null,
-                        },
-                    ],
-                    refCombinatorType: "atLeastOneInAnyOrder",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "text-decoration-skip-ink": {
         name: "text-decoration-skip-ink",
         appliesTo: "allElements",
@@ -17100,41 +11727,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "text-size-adjust": {
-        name: "text-size-adjust",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "text-size-adjust",
-            percentages: "referToSizeOfFont",
-            ref: [
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "text-transform": {
         name: "text-transform",
         appliesTo: "allElements",
@@ -17930,55 +12522,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    "user-select": {
-        name: "user-select",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "user-select",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "auto",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "text",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "none",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "contain",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "all",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
     "vertical-align": {
         name: "vertical-align",
         appliesTo: "inlineLevelAndTableCellElements",
@@ -18437,48 +12980,6 @@ export const properties = {
             type: "mixed",
         },
     },
-    zoom: {
-        name: "zoom",
-        appliesTo: "allElements",
-        syntax: {
-            mapsToProperty: "zoom",
-            percentages: "no",
-            ref: [
-                {
-                    type: "value",
-                    ref: "normal",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "value",
-                    ref: "reset",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<number>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-                {
-                    type: "type",
-                    ref: "<percentage>",
-                    refCombinatorType: "none",
-                    prepend: null,
-                    multiplier: null,
-                },
-            ],
-            refCombinatorType: "exactlyOne",
-            multiplier: null,
-            prepend: null,
-            type: "mixed",
-        },
-    },
 };
 
 export const syntaxes = {
diff --git a/packages/tooling/fast-tooling/src/css-data.properties.ts b/packages/tooling/fast-tooling/src/css-data.properties.ts
index 491ce3b6177..4097c8bc960 100644
--- a/packages/tooling/fast-tooling/src/css-data.properties.ts
+++ b/packages/tooling/fast-tooling/src/css-data.properties.ts
@@ -2,7 +2,7 @@
  * This file is generated from build/generate-mdn-data-files.js
  * any modifications will be overwritten.
  *
- * Last modified: 11/20/2020
+ * Last modified: 12/3/2020
  */
 export type Property =
     | "<'--*'>"
diff --git a/packages/tooling/fast-tooling/src/css-data.syntax.ts b/packages/tooling/fast-tooling/src/css-data.syntax.ts
index 96a34cb03e2..55c6d3e6583 100644
--- a/packages/tooling/fast-tooling/src/css-data.syntax.ts
+++ b/packages/tooling/fast-tooling/src/css-data.syntax.ts
@@ -2,7 +2,7 @@
  * This file is generated from build/generate-mdn-data-files.js
  * any modifications will be overwritten.
  *
- * Last modified: 11/20/2020
+ * Last modified: 12/3/2020
  */
 export type Syntax =
     | "<absolute-size>"
diff --git a/packages/tooling/fast-tooling/src/css-data.types.ts b/packages/tooling/fast-tooling/src/css-data.types.ts
index e31971aa658..72a9b71a543 100644
--- a/packages/tooling/fast-tooling/src/css-data.types.ts
+++ b/packages/tooling/fast-tooling/src/css-data.types.ts
@@ -2,7 +2,7 @@
  * This file is generated from build/generate-mdn-data-files.js
  * any modifications will be overwritten.
  *
- * Last modified: 11/20/2020
+ * Last modified: 12/3/2020
  */
 export type Type =
     | "<an-plus-b>"
diff --git a/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.spec.ts b/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.spec.ts
index b6539a7058d..026afbf5925 100644
--- a/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.spec.ts
+++ b/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.spec.ts
@@ -387,6 +387,56 @@ describe("mapCSSProperties", () => {
             },
         });
     });
+    describe("options", () => {
+        test("should check for status", () => {
+            const subsetOfMDNCSS = {
+                properties: {
+                    "--*": mdnCSS.properties["--*"],
+                    border: mdnCSS.properties.border,
+                },
+                syntaxes: mdnCSS.syntaxes,
+                types: mdnCSS.types,
+            } as any;
+
+            expect(mapCSSProperties(subsetOfMDNCSS, { status: "standard" })).toEqual({
+                border: {
+                    name: "border",
+                    appliesTo: "allElements",
+                    syntax: {
+                        mapsToProperty: "border",
+                        percentages: "no",
+                        ref: [
+                            {
+                                type: "syntax",
+                                ref: "<line-width>",
+                                refCombinatorType: "none",
+                                prepend: null,
+                                multiplier: null,
+                            },
+                            {
+                                type: "syntax",
+                                ref: "<line-style>",
+                                refCombinatorType: "none",
+                                prepend: null,
+                                multiplier: null,
+                            },
+                            {
+                                type: "syntax",
+                                ref: "<color>",
+                                refCombinatorType: "none",
+                                prepend: null,
+                                multiplier: null,
+                            },
+                        ],
+                        refCombinatorType: "atLeastOneInAnyOrder",
+                        multiplier: null,
+                        prepend: null,
+                        type: "mixed",
+                    },
+                },
+            });
+        });
+    });
 });
 
 describe("resolveCSSSyntax", () => {
diff --git a/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.ts b/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.ts
index f2b4bfc4366..e9af7498053 100644
--- a/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.ts
+++ b/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.ts
@@ -11,6 +11,7 @@ import {
     MDNCSS,
     MDNCSSPropertyConfig,
     MDNCSSSyntaxConfig,
+    status,
 } from "./mapping.mdn-data.types";
 import { XOR } from "./type.utilities";
 
@@ -227,6 +228,10 @@ export interface CSSSyntaxDictionary {
     [key: string]: CSSSyntax;
 }
 
+export interface CSSPropertyMapOptions {
+    status?: status;
+}
+
 /**
  * Split items separated by combination types that are not brackets
  */
@@ -523,36 +528,65 @@ export function resolveCSSPropertySyntax(
     };
 }
 
+function conformsToOptions(
+    cssPropertyMapOptions: CSSPropertyMapOptions,
+    key: string,
+    value: MDNCSSPropertyConfig
+): boolean {
+    let validatesAgainstOptions: boolean = true;
+
+    if (
+        cssPropertyMapOptions.status !== undefined &&
+        cssPropertyMapOptions.status !== value.status
+    ) {
+        validatesAgainstOptions = false;
+    }
+
+    return validatesAgainstOptions;
+}
+
 /**
  * Maps MDN CSS properties to a CSS properties dictionary
  * for tooling consumption
  */
-export function mapCSSProperties(mdnCSS: MDNCSS): CSSPropertiesDictionary {
+export function mapCSSProperties(
+    mdnCSS: MDNCSS,
+    cssPropertyMapOptions: CSSPropertyMapOptions = {}
+): CSSPropertiesDictionary {
     const syntaxKeys: string[] = Object.keys(mdnCSS.syntaxes);
     const typeKeys: string[] = Object.keys(mdnCSS.types);
 
-    return Object.entries(mdnCSS.properties)
-        .map(
-            ([key, value]: [string, MDNCSSPropertyConfig]): CSSProperty => {
-                return {
-                    name: key,
-                    appliesTo: value.appliesto,
-                    syntax: resolveCSSPropertySyntax(value, key, syntaxKeys, typeKeys),
-                };
-            }
-        )
-        .reduce<CSSPropertiesDictionary>(
-            (
-                resolvedDictionary: CSSPropertiesDictionary,
-                currentCSSProperty: CSSProperty
-            ): CSSPropertiesDictionary => {
+    return Object.entries(mdnCSS.properties).reduce<CSSPropertiesDictionary>(
+        (
+            resolvedDictionary: CSSPropertiesDictionary,
+            currentCSSProperty: [string, MDNCSSPropertyConfig]
+        ) => {
+            if (
+                conformsToOptions(
+                    cssPropertyMapOptions,
+                    currentCSSProperty[0],
+                    currentCSSProperty[1]
+                )
+            ) {
                 return {
                     ...resolvedDictionary,
-                    [currentCSSProperty.name]: currentCSSProperty,
+                    [currentCSSProperty[0]]: {
+                        name: currentCSSProperty[0],
+                        appliesTo: currentCSSProperty[1].appliesto,
+                        syntax: resolveCSSPropertySyntax(
+                            currentCSSProperty[1],
+                            currentCSSProperty[0],
+                            syntaxKeys,
+                            typeKeys
+                        ),
+                    },
                 };
-            },
-            {}
-        );
+            }
+
+            return resolvedDictionary;
+        },
+        {}
+    );
 }
 
 export function resolveCSSSyntax(
diff --git a/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.types.ts b/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.types.ts
index 7e54f655b43..210a2d15288 100644
--- a/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.types.ts
+++ b/packages/tooling/fast-tooling/src/data-utilities/mapping.mdn-data.types.ts
@@ -186,7 +186,7 @@ type order =
     | "perGrammar"
     | "uniqueOrder";
 
-type status = "standard" | "nonstandard" | "experimental" | "obsolete";
+export type status = "standard" | "nonstandard" | "experimental" | "obsolete";
 
 type mediaSingle =
     | "all"