Style form elements when they are empty
Use nested calc() expressions in CSS
Normalize wrapping quotes for CSS string literals.
Use text-decoration in it's shorthand form in CSS
Use cascade layers in CSS
Resolve a nested selector in a PostCSS AST
Style elements relative to other elements in CSS
Display resolution-dependent images using the image-set() function in CSS
Add necessary or remove extra charset with PostCSS
Use lab() and lch() color functions in CSS
PostCSS plugin to transform W3C CSS Color Module Level 4 hsl() new syntax to more compatible CSS (comma-separated hsl() or hsla())
PostCSS plugin add font-display css rule
Keep only the CSS you need based on comments and your browserslist
Ensure values are ordered consistently in your CSS.
Use env() variables in CSS
Use oklab() and oklch() color functions in CSS
Use the range notation in CSS media queries
Use double-position gradients in CSS
Use pow(), sqrt(), hypot(), log(), exp() exponential functions in CSS
Use the color-mix function in CSS
Use the relative color syntax 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 plugin to fallback initial keyword.