tailwind - Tailwind CSS v4 Best Practices Guide
Provides 42 best practices across 8 categories for optimizing Tailwind CSS v4 build performance and code quality
Tags
Updated: 2026-03-23Capabilities
Typical Inputs
Typical Outputs
What this skill does
- configure Tailwind CSS v4
- write CSS-first styles
- optimize CSS bundle size
- implement responsive designs
- setup theming with @theme
- review Tailwind code
- refactor Tailwind code
- use container queries
- enable dark mode
- create custom utilities
- define breakpoints
- apply utility patterns
Inputs
- Tailwind CSS v4 project
- CSS configuration files
- Vite build tool
- PostCSS configuration
- @theme directive
- utility classes
Outputs
- optimized CSS bundle
- configured Tailwind setup
- responsive design implementation
- themed components
- performance recommendations
Requirements
- Node.js 20+
- Tailwind CSS v4
- Vite or CLI build tool
- PostCSS support