unocss

Generate atomic CSS on demand with UnoCSS utility classes and custom rules.

4|Updated Jan 15, 2026

Search Tags:#frontend #css #styling #utility-first #unocss #atomic css

Ready to run

npx skills add https://github.com/mgd34msu/goodvibes-gemini --skill unocss-mgd34msu

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: unocss
Source: https://github.com/mgd34msu/goodvibes-gemini/tree/main/skills/unocss
Command: npx skills add https://github.com/mgd34msu/goodvibes-gemini --skill unocss-mgd34msu

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a fast and flexible way to implement atomic CSS using UnoCSS, enabling rapid styling with on-demand generation and extensive customization options.

Core Features & Use Cases

Atomic CSS: Apply styles directly in your HTML using utility classes.
On-Demand Generation: Only the CSS you use is generated, leading to smaller bundles.
Customization: Define custom rules, shortcuts, variants, and themes.
Presets: Leverage pre-built configurations like Tailwind, Windi, and more.
Use Case: Quickly style a React component with rapid iteration, using Tailwind-like utilities and custom shortcuts for your design system.

Quick Start

Install UnoCSS and configure it in your Vite project by following the setup instructions in the documentation.

Frequently Asked Questions about unocss

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I generate atomic CSS on demand for a modern frontend project?▼

Atomic CSS generation on demand is achieved by installing UnoCSS and configuring it in your project, ensuring only the utility classes you actually use are generated into the final CSS bundle.

What is the best way to apply utility-first styling with high customizability?▼

Utility-first styling with high customizability is applied by defining custom rules, shortcuts, variants, and theme configurations within your UnoCSS setup to match your specific design system requirements.

Can I use UnoCSS with Vite for rapid UI development?▼

Yes, you can use UnoCSS with Vite for rapid UI development by following the setup instructions to install and configure the engine directly within your Vite project environment.

Does UnoCSS support pre-built configurations like Tailwind for styling?▼

UnoCSS supports pre-built configurations like Tailwind and Windi through its presets feature, allowing you to quickly leverage familiar utility classes for immediate styling.

How do I create custom shortcuts for my design system using atomic CSS?▼

Custom shortcuts for your design system are created by defining them within the UnoCSS configuration, allowing you to combine multiple utility classes into single, reusable custom rules.