Use Custom Selectors in CSS

Use the ic length unit

Use the rebeccapurple color keyword in CSS

Use 4 & 8 character hex color notation in CSS

Discard comments in your CSS files with PostCSS.

Use the overflow shorthand in CSS

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

Discard duplicate rules in your CSS files with PostCSS.

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

Use the :any-link pseudo-class in CSS

Use the :dir pseudo-class in CSS

Use logical properties and values in CSS

Use the unset keyword in CSS.

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

Use the color() function in CSS

Minify gradient parameters with PostCSS.

Use space and slash separated color notation in CSS

Style form elements when they are empty

A pseudo-class for matching elements in a selector list

Normalize wrapping quotes for CSS string literals.