Free, open source, and modern CSS framework based on Flexbox.
Bulma is a free, open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
A cross-browser library of CSS animations.
Animate.css is a library of ready-to-use, cross-browser animations for use in your web projects. Great for emphasis, home pages, sliders, and attention-guiding hints.
Colored wisps in the background
Code Playground
Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Minimal, responsive, style-agnostic CSS framework
A minimalist css framework.
flat. minimal. siimple css framework
A set of small, responsive CSS modules that you can use in every web project.
A minimalist CSS framework.
un micro framework CSS qui a du goût !
Lightweight and beautiful library
Minimal, responsive, style-agnostic CSS framework
Better default styles for common input elements.
formbase eliminates cross browser bugs, inconsistencies across systems and applies a beautiful default styling to several input elements.
SVG animation with css and javascript.
A free visual guide to the most popular CSS properties.
Learn by example: cssreference.io is a free visual guide to CSS. It features the most popular properties, and explains them with illustrated and animated examples.