Use the rebeccapurple color keyword in CSS

PostCSS plugin to transform W3C font-variant properties to more compatible CSS (font-feature-settings)

Use the :any-link pseudo-class in CSS

Discard comments in your CSS files with PostCSS.

Use Custom Selectors in CSS

Use logical properties and values in CSS

PostCSS plugin to transform clamp() to combination of min/max

Use the unset keyword in CSS.

Use the :dir pseudo-class in CSS

Use the gap, column-gap, and row-gap shorthand properties in CSS

Use the color() function in CSS

Use space and slash separated color notation in CSS

Use hwb() color functions in CSS

Minify gradient parameters with PostCSS.

Normalize wrapping quotes for CSS string literals.

Use nested calc() expressions in CSS

A pseudo-class for matching elements in a selector list

Use text-decoration in it's shorthand form in CSS

Style form elements when they are empty

Use cascade layers in CSS