Use the rebeccapurple color keyword in CSS
Use two values display syntax for inner and outer display types.
Use a place-* shorthand for align-* and justify-* in CSS
A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations
Discard duplicate rules in your CSS files with PostCSS.
Use Custom Selectors in CSS
Use the ic length unit
Use the overflow shorthand in CSS
Use 4 & 8 character hex color notation in CSS
Discard comments in your CSS files with PostCSS.
Use logical properties and values in CSS
PostCSS plugin to transform W3C CSS Color Module Level 4 rgb() new syntax to more compatible CSS (comma-separated rgb() or rgba())
PostCSS plugin to transform clamp() to combination of min/max
PostCSS plugin for fallback image-set
Use the gap, column-gap, and row-gap shorthand properties in CSS
PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)
Use the :dir pseudo-class in CSS
Use the color() function in CSS
Style form elements when they are empty
A pseudo-class for matching elements in a selector list
Use space and slash separated color notation in CSS
Autoload Options for PostCSS
Use hwb() color functions in CSS
Emmet standalone abbreviation parser