PostCSS gulp plugin
Indent-based CSS syntax for PostCSS
Use Custom Properties Queries in CSS
Determine selector specificity with postcss-selector-parser
Log PostCSS messages in the console
CLI for PostCSS
Merge CSS rules with PostCSS.
PostCSS plugin for fallback image-set
Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website
PostCSS plugin to transform rgba() to hexadecimal
Generate fallback values for content with alt text
Advanced optimisations for cssnano; may or may not break your CSS!
Gamut map css colors to fit display specific gamuts
PostCSS plugin to transform W3C CSS hwb() color to more compatible CSS (rgb() (or rgba()))
Enable support for case insensitive attribute matching in selectors
Minify selectors with PostCSS.
Reduce initial definitions to the actual initial value, where possible.
PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias
Resolve nested CSS selectors
Use light and dark color schemes in all browsers
PostCSS plugin for Sass-like variables
Fallback `position-area` to the alternate name `inset-area`
Use sin(), cos(), tan(), acos(), atan(), and atan2() to compute trigonometric relationships
Use sign and abs functions in CSS