Parse CSS Cascade Layer names.
Use cascade layers in CSS
Algorithms to help you parse CSS from an array of tokens.
Parse CSS color values
Parse CSS media query lists.
Solve CSS math expressions
Resolve nested CSS selectors
Determine selector specificity with postcss-selector-parser
PostCSS plugin to fallback initial keyword.
Use the unset keyword in CSS.
CSS Cascade Layer plugin for Docusaurus.
Color helpers to ease transformation between formats, gamut, etc
Tokenize CSS
A list of CSS features and their positions in the process of becoming implemented web standards
Utilities for PostCSS plugins
CSS syntax patches for CSS tree
Use unquoted format on @font-face CSS definitions.
A cross-browser CSS foundation
A pseudo-class for matching elements in a selector list
Use two values display syntax for inner and outer display types.
Use the ic length unit
Convert modern CSS into something browsers understand
Use the light-dark() color function in CSS
Use the parts of normalize.css or sanitize.css you need from your browserslist