Short CSS code snippets for all your development needs

A showcase of problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox.

Hi. I'm a starter theme called _s, or underscores, if you like. I'm a theme meant for hacking so don't use me as a Parent Theme. Instead try turning me into the next, most awesome, WordPress theme …

Delightful, performance-focused pure css loading animations.

Accurately Locate Smartphones using Social Engineering

A modern dialog library which is highly configurable and easy to style. #hubspot-open-source

Create beautiful CSS3 powered animations in no time.

Simple tooltips made of pure CSS

Unobtrusive page transitions with jQuery.

A simple and easy jQuery plugin for CSS animated page transitions.

A lightweight 3D CSS voxel library.

Directory of free JavaScript ebooks

Argon - Design System for Bootstrap 4 by Creative Tim

A library for creating dropdowns and other floating elements. #hubspot-open-source

a [μ] microInteraction library built with CSS Animations and controlled by JavaScript Power

Beautiful transformable icons built for the web.

A set of inspirational, highly experimental distortion effects for buttons using SVG filters. By Adrien Denat.

Library for fast CSS Animations

A Select2 v4 Theme for Bootstrap 3

A sass mixin to make responsive typography easy

Turret is a styles and browser behaviour normalisation framework for rapid development of responsive and accessible websites.

A jQuery calendar plugin for creating flexible calendars.

Forms within buttons, oh my!

Easily check for website accessibility issues

A Lean HTML & SASS Boilerplate

Material Design version of Foudation for Sites by Zurb

Pure CSS transition effects for off-canvas views

Customisable 💪 Flexbox grid system

An open source icon pack made with love by the PrestaShop design team. You can use it everywhere to make your designs and websites look awesome.

A Sass framework that empowers you to create flexible, clear, and semantic website layouts.