Use logical overflow properties and values in CSS
Determine selector specificity with postcss-selector-parser
Use Custom Properties Queries in CSS
Log PostCSS messages in the console
CLI for PostCSS
Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website
Merge CSS rules with PostCSS.
Advanced optimisations for cssnano; may or may not break your CSS!
Generate fallback values for content with alt text
Gamut map css colors to fit display specific gamuts
Mix any number of colors with the color-mix function in CSS
Reduce initial definitions to the actual initial value, where possible.
Enable support for case insensitive attribute matching in selectors
Minify selectors with PostCSS.
Resolve nested CSS selectors
PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias
Use light and dark color schemes in all browsers
Use the random function in CSS
Detect/remove browser hacks from CSS files.
PostCSS plugin for Sass-like variables
Use sin(), cos(), tan(), acos(), atan(), and atan2() to compute trigonometric relationships
Fallback `position-area` to the alternate name `inset-area`
Use sign and abs functions in CSS
Use the display-p3-linear color space on the color() function in CSS