matcha.css is a pure CSS library designed to style HTML elements similarly to a default browser stylesheet, eliminating the need for users to manually patch their documents.

Build, maintain and deliver your design system to all your product teams, blazing fast

The style guide is being deprecated! For CSS docs, please see: https://primer.style/css

Pure CSS icons library, Customizable & Retina-Ready built 100% in pure CSS, SVG, SVG Sprite, styled-components, Figma and Adobe XD. Easy integration: Embed, NPM & API

React Rainbow is a collection of components that will reliably help you build your application in a snap. Give it a hack and let us know what you think.

Animista is a place where you can play with a collection of ready to use CSS animations, tweak them and download only those you will actually use.

Declarative motion system for React, React Native, and vanilla JS

A modern CSS framework — versatile, well documented. Enjoy a fresh look. Customize at ease.

react-styleguidist - Isolated React component development environment with a living style guide

With Catalog you combine design documentation with real, live components in one single place, making collaboration between designers and developers seamless.

a [μ] microInteraction library built with CSS Animations and controlled by JavaScript Power

*AND Will find [Mikki Doe] in [Mikki Rurk, John Doe, Mike Vazovsky, Mikki Doe] by search phrase "Doe...

A mighty, modern CSS linter that helps you enforce consistent conventions and avoid errors in your s...

Simple tooltips made of pure CSS!

grd - A CSS grid framework using Flexbox. Only 512 bytes (Gzipped).

The first bi-directional real-time edit tool for CSS, LESS and SCSS

Bloco, elemento e modificador. Uma pincelada rápida sobre BEM CSS.

postcss-time-machine - Fix mistakes in the design of CSS itself

navigationnation

Powered by Electron Underneath it all is Electron. Originally built for GitHub's Atom text editor, E...

Corpus is yet another CSS toolkit. It’s basically a collection of the things I find myself returning...