Modern, HTML5-ready alternative to CSS resets.
The best-practices CSS foundation.
Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects.
Tiny modern CSS reset.
Normalize for Chrome, Firefox, and Safari only (no support for Edge or Internet Explorer.
Set of small, responsive CSS modules that you can use in every web project.
Minimalist CSS framework.
Lightweight and beautiful library.
Lightweight, scalable, mobile-first CSS framework.
Minimal, responsive, style-agnostic CSS framework.
Minimal classless CSS framework/theme.
Beautiful CSS framework designed for minimalists.
CSS framework for dummies, without classes.
A really small CSS framework.
A Lightweight, Responsive and Modern CSS Framework
User Interface is the language of the web.
The most advanced responsive front-end framework in the world.
Modern CSS framework based on Flexbox.
Lightweight and modular front-end framework for developing fast and powerful web interfaces.
CSS framework that powers GitHub's front-end design.
Quickly build and design new UI without writing CSS.
Lightweight, responsive and modern CSS framework.
Open source modular toolkit providing great structure for building websites quickly with a scalable and maintainable foundation.
Web framework for professional developers and designers.
Rock Solid, Responsive HTML/CSS Framework.
Give up the bloat. Stop tripping over your classes. Be Concise.
Powerful, accessible, developer friendly framework for building responsive websites.
Responsive Front-end Framework for Accessible and Semantic Websites.
Material Components Web
Modular and customizable Material Design UI components for the web.
CSS Framework based on material design.
Lightweight CSS framework that follows Google's Material Design guidelines.
Front-end responsive framework based on Google's Material Design Standards & Bootstrap.
A utility-first CSS framework for rapid UI development.
Modern framework to print the web correctly.
Style your webpage like Edward Tufte’s handouts.
Email framework for developing responsive and lightweight email templates.
Design System for Bootstrap 4 by Creative Tim.Argon Design System is built with over 100 individual components, giving you the freedom of choosing and combining.
Shards is a beautiful & modern Bootstrap 4 UI kit packed with extra templates and components.
Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap 4
animate.css is a bunch of cool, fun, and cross-browser animations for you to use in your projects. Great for emphasis, home pages, sliders, and general just-add-water-awesomeness.
A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on. Easily apply to your own elements, modify or just use for inspiration.
Delightful, performance-focused pure css loading animations. Each animation is limited to a small subset of css properties in order to avoid expensive painting and layout calculations.
A CSS only tooltip library for your lovely websites. int.css is written as a pure CSS resource using which you can create cool accessible tooltips for your web app.