🎨 Colorize the "important" admonition blocks

MANIFEST.in

@@ -22,7 +22,7 @@ exclude noxfile.py
 
 recursive-include src/pip/_vendor *.pem
 recursive-include src/pip/_vendor py.typed
-recursive-include docs Makefile *.rst *.py *.bat
+recursive-include docs *.css *.rst *.py
 
 exclude src/pip/_vendor/six
 exclude src/pip/_vendor/six/moves

docs/docs_feedback_sphinxext.py

@@ -87,6 +87,7 @@ def setup(app: Sphinx) -> Dict[str, Union[bool, str]]:
     This function adds a callback for modifying the document sources
     in-place on read.
     """
+    app.add_css_file('important-admonition.css')
     app.connect('source-read', _modify_rst_document_source_on_read)
 
     return {

docs/html/_static/important-admonition.css

@@ -0,0 +1,7 @@
+.admonition.important {
+  background-color: rgb(219, 250, 244);
+}
+
+.admonition.important>.admonition-title {
+  color: rgb(26, 188, 156);
+}

docs/html/conf.py

@@ -174,7 +174,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = []
+html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.