Use logical overflow properties and values in CSS
Use Custom Media Queries in CSS
Use Custom Properties Queries in CSS
Log PostCSS messages in the console
CLI for PostCSS
Advanced optimisations for cssnano; may or may not break your CSS!
Transforms css values and at-rule params into the tree
Determine selector specificity with postcss-selector-parser
Generate fallback values for content with alt text
Merge CSS rules with PostCSS.
Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website
Gamut map css colors to fit display specific gamuts
PostCSS plugin that converts 'rem' references to 'em' references
Enable support for case insensitive attribute matching in selectors
Minify selectors with PostCSS.
Mix any number of colors with the color-mix function in CSS
Use light and dark color schemes in all browsers
Reduce initial definitions to the actual initial value, where possible.
PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias
Detect/remove browser hacks from CSS files.
Resolve nested CSS selectors
Use the random function in CSS
Fallback `position-area` to the alternate name `inset-area`
PostCSS plugin for Sass-like variables