UnoCSS is an instant atomic CSS engine that serves as a flexible, superset alternative to Tailwind CSS, designed for developers who need highly customizable utility-based styling. It solves the problem of rigid CSS frameworks by offering an unopinionated core where all utilities come from configurable presets (Wind, Icons, Attributify, etc.), allowing teams to extend and tailor their styling system to specific project needs. Users should check project configuration files before implementing UnoCSS to understand available presets and rules, and avoid advanced features like attributify mode unless the setup is explicitly configured.
npx skills add https://github.com/antfu/skills --skill unocss