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…

Official Sass port of Bootstrap 2 and 3.

CSS3 Animations with special effects

Tasty CSS-animated Hamburgers

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

📫 SMTP Server + Web Interface for viewing and testing emails during development.

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

Pre-grid responsive layout toolkit for Sass, now deprecated

Bootstrap rubygem for Rails / Sprockets / Hanami / etc

CSS loading animations with minimal effort!

Set text on the web to a baseline grid with Sass & rems using a responsive modular-scale.

The repository for the Atomic Design book

Sass unit tests

Sass mixins based on Dan Eden's Animate.css

Slice media queries with ease

Documentation for Middleman

Simple and comprehensive mixin for Modernizr tests in Sass

Official Sass Spec Suite

Simple quantity queries mixins for Sass

Rails engine to generate instant reports from adhoc SQL query.

An online Sass-to-SCSS converter (and vice versa)

A collection of Sass color helpers that enables easier, more fool-proof design implementations (+ some math helpers)

A Middleman template using Slim.

🍴 Emma.css { utility-classes: emmet-like; }

A streamlined Sass port (featuring the best) of Dan Eden's Animate.css

✍ tr.v. type·set To set (written material) into type; compose.

A Sass Mixin Library from is8r to is8r