Stylelint rules and shareable configs for CSS performance budgets.

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

a CSS selector compiler/engine

extracts CSS into separate files

A CSS parser, transformer, and minifier written in Rust

Powerful and compliant CSS selector parser.

Smallest 5th gen CSS-in-JS library

A high-performance color library with extended support for modern color spaces including OKLCH, OKLAB, Display-P3, and more

Use Custom Media Queries in CSS

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

👑 A tiny yet powerful tool for high-performance color manipulations and conversions

fast dom CSS styling

A quick JavaScript runtime for Atomic CSS compilers.

React Masonry component leveraging CSS to be fast and responsive

Stylelint rule for preventing the use of low performance animation and transition properties.

Transforms styleName to className using compile time CSS module resolution.

Open Web data by the Mozilla Developer Network

Algorithms to help you parse CSS from an array of tokens.

Parse CSS color values

Generate critical path CSS for web pages