CSS frameworks and foundational style libraries for building responsive and consistent web interfaces. Includes both utility-first and component-based approaches.
CSS Frameworks
Repositories
Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development. It provides responsive CSS and JavaScript components for building mobile-first websites.
MDX
174.6k17 hours ago
A utility-first CSS framework for rapidly building custom designs. Write styles directly in HTML with composable classes like `flex`, `text-center`, and `bg-blue-500`. v4 features a Rust-powered engine for microsecond incremental builds, CSS-first configuration with native cascade layers, automatic content detection, and first-party integrations for Vite, Next.js, and PostCSS — no config required to get started.
TypeScript
97.0k3 hours ago
Animate.css is a ready-to-use, cross-browser library of CSS animations. Perfect for adding emphasis, transitions, and engaging effects to home pages, sliders, and UI elements with simple class names.
CSS
82.7k2 years ago
Semantic is a UI component framework based around useful principles from natural language.
JavaScript
51.0k2 years ago
