Lightning CSS
Installation
SKILL.md
Lightning CSS
Lightning CSS is an extremely fast CSS parser, transformer, bundler, and minifier written in Rust. It replaces PostCSS + autoprefixer + postcss-preset-env in a single tool.
When to Use This Skill
| Use this skill when... | Use something else when... |
|---|---|
| Configuring CSS processing in Vite | Generating utility classes (use UnoCSS) |
| Replacing PostCSS/autoprefixer pipeline | Linting CSS rules (use Stylelint) |
| Setting up browser target transpilation | Writing CSS-in-JS (use framework tooling) |
| Enabling CSS modules | Formatting CSS code (use Biome/Prettier) |
| Minifying CSS for production | Need PostCSS plugins with no Lightning CSS equivalent |
Bundling CSS @import chains |