Beautiful static documentation for your API

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

Source code for Hacker101.com - a free online web and mobile security class.

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

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

Modern framework to print the web correctly.                                               

One tag One icon, no font or svg, Pure CSS

The front-end CSS framework for building experiences for Office and Microsoft 365.

Family.scss is a set of Sass mixins which will help you to manage the style of :nth-child'ified elements, in an easy way.

Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects.

BBC Grandstand is a collection of common CSS abstractions and utility helper classes