Minimalist stylesheet for HTML elements.
Elegant styles for all native HTML elements, dark mode automatically enabled.
Minimal classless CSS framework/theme.
Lightweight, classless CSS framework.
CSS framework for dummies, without classes.
Open source modular toolkit providing great structure for building websites quickly with a scalable and maintainable foundation.
The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.
Modern CSS framework based on Flexbox.
Component library behind IBM's Carbon Design System.
Component and utility centric SCSS framework designed for rapid prototyping.
Build beautiful websites fast, with concise HTML, intuitive javascript, and simplified debugging.
The most advanced responsive front-end framework in the world.
Simple CSS foundation with responsive typography and input styling.
UI framework for enterprise web applications.
CSS framework that powers GitHub's front-end design.
UI components used by Stack Overflow.
Components used by U.S. federal government websites.
Lightweight and modular front-end framework for developing fast and powerful web interfaces.
Simple, extensible CSS framework. Written by the Canonical Web Team.
CSS library for building interfaces that look like Windows 7.
CSS library for building interfaces that look like Windows 98.
Email framework for developing responsive and lightweight email templates.
Modern framework to print the web correctly.
NES-style CSS Framework.
CSS framework designed for building any kind of radial UI.
Design system for building retro Apple interfaces.
Style your webpage like Edward Tufte’s handouts.
Library to create MS-DOS interfaces.
CSS library for building interfaces that look like Windows XP.
Lightweight Sass tool set.
Web-based framework for rapid prototyping and building larger web projects.
Give up the bloat. Stop tripping over your classes. Be concise.
Start your project with a remedy for the technical debt of CSS.
Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects.
Tiny modern CSS reset.
Tiny little reset that you can use as the basis of your CSS projects.
Front-end responsive framework based on Google's Material Design standards & Bootstrap.
Powerful, accessible, developer friendly framework for building responsive websites.
The best-practices CSS foundation.
User interface is the language of the web.
Quickly build and design new UI without writing CSS.
Responsive front-end framework for accessible and semantic websites.
Fluid grid for mobile, tablet, and desktop.
Just-add-CSS collection of styles to make simple websites just a little nicer.