Bootstrap 5 & Material Design UI KIT

NES-style CSS Framework | ファミコン風CSSフレームワーク

Selectize is the hybrid of a textbox and <select> box. It's jQuery based, and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.

Primer is GitHub's design system. This is the CSS implementation

CSS3 Animations with special effects

The U.S. Web Design System helps the federal government build fast, accessible, mobile-friendly websites.

The Less Formal CSS Framework

A Grunt workflow for designing and testing responsive HTML email templates with SCSS.

The first truly composable CSS animation library. Built for Vue, React, SCSS, and CSS, AnimXYZ will bring your website to life.

CSS loading animations with minimal effort!

This CSS file intends to warn developers about possible risks and mistakes that exist in HTML code. It can also be used to roughly evaluate a site's quality by simply including it as an external st…

An open source collection of design principles and methods.

💎 The powerful Sass library for creating CSS transitions and animations

Sass unit tests

💫 Orbit is a general-purpose CSS framework designed for building any kind of radial UI.

responsive flexbox grid with inline-block legacy support

A collection of interactive UI components in pure CSS

Curated resources that help you build lightning fast websites

Learn about accessible button contrast then generate your own accessible button color palette

Repo for planning & voting on which stats to study