# unocss

> Claude/Codex skill by [@antfu](https://omgskills.com/library/antfu/index.md) · 6k stars · Updated 2026-10-23

UnoCSS instant atomic CSS engine, superset of Tailwind CSS. Use when configuring UnoCSS, writing utility rules, shortcuts, or working with presets like Wind, Icons, Attributify.

Tags: agent-skills, skills

## Install

```sh
git clone https://github.com/antfu/skills /tmp/skills && ln -s /tmp/skills/skills/unocss ~/.claude/skills/unocss
```

## From README

Core | Topic | Description | Reference | |-------|-------------|-----------| | Configuration | Config file and all configuration options | core-config | | Rules | Static and dynamic rules for generating CSS utilities | core-rules | | Shortcuts | Combine multiple rules into single shorthands | core-shortcuts | | Theme | Theming system for colors, breakpoints, and design tokens | core-theme | | Variants | Apply variations like hover:, dark:, responsive to rules | core-variants | | Extracting | How UnoCSS extracts utilities from source code | core-extracting | | Safelist & Blocklist | Force include or exclude specific utilities | core-safelist | | Layers & Preflights | CSS layer ordering and raw CSS injection | core-layers | | Processors | Transform generated CSS layers (incl.

## Links

- HTML page: https://omgskills.com/library/antfu/skills/unocss/
- GitHub: https://github.com/antfu/skills
- Author: [@antfu](https://omgskills.com/library/antfu/index.md)

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