Use sin(), cos(), tan(), acos(), atan(), and atan2() to compute trigonometric relationships

Use sign and abs functions in CSS

PostCSS plugin to transform CSS Custom Properties(CSS variables) syntax into a static representation

Parse CSS media query lists.

Use interpolation methods in CSS gradient functions

PostCSS syntax for parsing CSS in JS literals

Declare a list of custom properties in a single at-property rule

CSS syntax patches for CSS tree

A PostCSS plugin that is used to wrap css styles with a css selector to constrain their affect on parent elements in a page.

PostCSS syntax for template literals CSS-in-JS (e. g. styled-components).

Use mixins in CSS

Blazing fast zero-runtime CSS in JS library

Use the gray() color function in CSS

PostCSS plugin to transform W3C CSS Color Module Level 4 rgb() new syntax to more compatible CSS (comma-separated rgb() or rgba())

Use the range notation in CSS media queries

PostCSS plugin to transform W3C CSS Color Module Level 4 hsl() new syntax to more compatible CSS (comma-separated hsl() or hsla())

Modify colors using the color-mod() function in CSS

Parse CSS Cascade Layer names.

Indent-based CSS syntax for PostCSS

PostCSS plugin to work around CSS Modules values limitations