Keep only the CSS you need based on comments and your browserslist
Use the range notation in CSS media queries
Use oklab() and oklch() color functions in CSS
PostCSS plugin to fallback initial keyword.
Use flow-relative (inline-start and inline-end) values for float and clear
PostCSS plugin to fallback initial keyword.
Use the color-mix function in CSS
Use the relative color syntax in CSS
Use double-position gradients in CSS
Convert values with PostCSS (e.g. ms -> s)
Use pow(), sqrt(), hypot(), log(), exp() exponential functions in CSS
Use the parts of normalize.css or sanitize.css you need from your browserslist
Use number values in aspect-ratio media queries.
PostCSS syntax for parsing HTML (and HTML-like)
Use vb and vi length units in CSS
Optimise inline SVG with PostCSS.
Use logical values in the resize property
The Reference Element Pseudo-class: :scope
A CSS Modules transform to extract local aliases for inline imports
PostCSS plugin to keep rules and at-rules content in order.
Indent-based CSS syntax for PostCSS
Use logical overscroll behavior properties and values in CSS
Transforms css values and at-rule params into the tree
Use Custom Media Queries in CSS