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…

A modern, high customizable, responsive Jekyll theme for documentation with built-in search.

A Material Design theme for GNOME/GTK based desktop environments

This is the Sass version of Normalize.css, a collection of HTML element and attribute rulesets to normalize styles across all browsers.

A modern flat theme with a combination of light and dark elements.

System76 Pop GTK+ Theme

Accessibility (A11Y) Style Guide

A design system for Mozilla websites.

Firefox’s Photon Design System.

riseup.net help documentation

From scratch, clean and opinionated GTK3 implementation of the phocus color scheme.

The OpenScienceMOOC website