A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on. Easily apply to your own elements, modify or just use for inspiration. Available i…

Bootstrap 5 & Material Design UI KIT

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

Official Sass port of Bootstrap 2 and 3.

Standards for developing consistent, flexible, and sustainable HTML and CSS.

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

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

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

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

A meaningful web typography starter kit.

💎 The powerful Sass library for creating CSS transitions and animations

A design system for Mozilla websites.

Custom responsive grids in Sass that work in older browsers.