Use Custom Selectors in CSS

Use Custom Media Queries in CSS

Use oklab() and oklch() color functions in CSS

Ensure values are ordered consistently in your CSS.

Minify selectors with PostCSS.

Merge longhand properties into shorthand with PostCSS.

Add necessary or remove extra charset with PostCSS

Use hwb() color functions in CSS

Resolve a nested selector in a PostCSS AST

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

Fault-tolerant CSS parser for PostCSS

Use nested calc() expressions in CSS

PostCSS plugin to fallback initial keyword.

PostCSS plugin to replace overflow-wrap with word-wrap or optionally retain both declarations.

Solve CSS math expressions

Use double-position gradients in CSS

Use env() variables in CSS

Use logical properties and values in CSS

Use space and slash separated color notation in CSS

Use the parts of normalize.css or sanitize.css you need from your browserslist