Dart Sass Deprecating "/" for Division

[christianmagill]

https://sass-lang.com/documentation/breaking-changes/slash-div

● Mix building (28%)  
 import loader ./node_modules/css-loader/dist/cjs.js

Deprecation Warning: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.

Recommendation: math.div(9, 16)

More info and automated migrator: https://sass-lang.com/d/slash-div

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● Mix building (28%) 1/3 entries 3/4 dependencies 1/3 modules 2 active 
 css-loader › postcss-loader › sass-loader › resources/styles/admin.scss

: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.

Recommendation: math.div(9, 16)

More info and automated migrator: https://sass-lang.com/d/slash-div

   ╷

● Mix done (99%) plugins 
 BuildCallbackPlugin

: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.

Recommendation: math.div(9, 16)

More info and automated migrator: https://sass-lang.com/d/slash-div

   ╷
30 │ $mfp-iframe-ratio:                    9/16 !default;                       // Ratio of iframe (9/16 = widescreen, 3/4 = standard, etc.)
   │                                       ^^^^
   ╵
    node_modules/magnific-popup/src/css/_settings.scss 30:39  @import
    node_modules/magnific-popup/src/css/main.scss 3:9         @import
    resources/styles/app.scss 3:9                             root stylesheet