CSS

bootstrap
The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.
    99346    CSS

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animate.css
A cross-browser library of CSS animations. As easy to use as an easy thing.
    34671    CSS

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foundation
The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.
    23945    CSS

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material-design-lite
Material Design Components in HTML/CSS/JS
    22776    CSS

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materialize
Materialize, a CSS Framework based on Material Design
    20829    CSS

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hackathon-starter
A boilerplate for Node.js web applications
    16912    CSS

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bootstrap-material-design
Material design theme for Bootstrap 3 and 4
    16309    CSS

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the-swift-programming-language-in-chinese
中文版 Apple 官方 Swift 教程《The Swift Programming Language》
    15407    CSS

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Hover
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 in C
    14329    CSS

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ratchet
Build mobile apps with simple HTML, CSS, and JavaScript components.
    13250    CSS

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Skeleton
Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development
    12418    CSS

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SpinKit
A collection of loading indicators animated with CSS
    11794    CSS

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Effeckt.css
A Performant Transitions and Animations Library
    10678    CSS

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weui
A UI library by WeChat official design team, includes the most useful widgets/modules in mobile web applications.
    10414    CSS

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pace
Automatically add a progress bar to your site. #hubspot-open-source
    10391    CSS

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Spoon-Knife
This repo is for demonstration purposes only.
    9942    CSS

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jstips
This is about useful JS tips!
    9920    CSS

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tomorrow-theme
Tomorrow Theme the precursor to Base16 Theme
    9789    CSS

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ionicons
The premium icon font for Ionic
    9603    CSS

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bulma
Modern CSS framework based on Flexbox
    8656    CSS

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solved-by-flexbox
A showcase of problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox.
    8519    CSS

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Hack
A typeface designed for source code
    8250    CSS

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2048
A small clone of 1024 (https://play.google.com/store/apps/details?id=com.veewo.a1024)
    8060    CSS

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colour-schemes
Colour schemes for a variety of editors created by Dayle Rees.
    7675    CSS

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bourbon
A Lightweight Sass Tool Set:
    7523    CSS

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offline
Automatically display online/offline indication to your users. #hubspot-open-source
    7203    CSS

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You-Dont-Need-Javascript
Css is powerful, you can do a lot of things without js.
    7069    CSS

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colors
Smarter defaults for colors on the web.
    6924    CSS

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compass
Compass is no longer actively maintained. Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain.
    6859    CSS

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hint.css
A CSS only tooltip library for your lovely websites.
    6804    CSS

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_s
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 out
    6744    CSS

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loaders.css
Delightful, performance-focused pure css loading animations.
    6691    CSS

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beautiful-web-type
A showcase of the best typefaces from the Google web fonts directory.
    6426    CSS

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icheck
Highly customizable checkboxes and radio buttons (jQuery & Zepto)
    6118    CSS

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photon
The fastest way to build beautiful Electron apps using simple HTML and CSS
    5643    CSS

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vex
A modern dialog library which is highly configurable and easy to style. #hubspot-open-source
    5490    CSS

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blueprint-css
A CSS framework that aims to cut down on your CSS development time
    5463    CSS

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popcorn-app
An experiment using the peerflix module of nodejs and connecting a bunch of APIs.
    5339    CSS

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odometer
Smoothly transitions numbers with ease. #hubspot-open-source
    5199    CSS

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php-the-right-way
An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web
    5125    CSS

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primer
The base coat of GitHub. Our internal CSS toolkit and guidelines.
    5125    CSS

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Metro-UI-CSS
CSS styles for build Windows 8 Metro UI stylable interface
    5009    CSS

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north
Design and development standards to align and guide your project.
    4992    CSS

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PixelKit-Bootstrap-UI-Kits
Free UI Kits built on Bootstrap for any developer that wants to build a cool looking and functional website. Enjoy!
    4895    CSS

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hexo-theme-next
Elegant theme for Hexo.
    4867    CSS

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bounce.js
Create beautiful CSS3 powered animations in no time.
    4574    CSS

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Lettering.js
A lightweight, easy to use Javascript <span> injector for radical Web Typography
    4560    CSS

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chardin.js
Simple overlay instructions for your apps.
    4459    CSS

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magic
CSS3 Animations with special effects
    4403    CSS

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helios
An extensible open-source mobile backend framework
    4301    CSS

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Arc-theme
A flat theme with transparent elements
    4301    CSS

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css-loaders
A collection of loading spinners animated with CSS
    4289    CSS

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topcoat
CSS for clean and fast web apps
    4239    CSS

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milligram
A minimalist CSS framework.
    4124    CSS

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inuit.css
Powerful, scalable, Sass-based, BEM, OOCSS framework.
    4058    CSS

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json-api
A specification for building JSON APIs
    3972    CSS

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shepherd
Guide your users through a tour of your app #hubspot-open-source
    3945    CSS

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neat
A lightweight, semantic grid framework built with Bourbon
    3763    CSS

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CSSgram
CSS library for Instagram filters
    3670    CSS

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weather-icons
215 Weather Themed Icons and CSS
    3572    CSS

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smoothState.js
Unobtrusive page transitions with jQuery.
    3475    CSS

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susy
Responsive layout toolkit for Sass
    3460    CSS

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basscss
Low-level CSS Toolkit
    3400    CSS

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octicons
A scalable set of icons handcrafted with <3 by GitHub
    3399    CSS

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web-design-standards
Open source UI components and visual style guide for U.S. government websites
    3359    CSS

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icono
One tag One icon, no font or svg, Pure CSS
    3292    CSS

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bones
A Mobile-First, Responsive WordPress starter theme based off 320 and Up & HTML5 Boilerplate.
    3238    CSS

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960-Grid-System
The 960 Grid System is an effort to streamline web development workflow.
    3227    CSS

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touchstonejs
Mobile App Framework powered by React
    3225    CSS

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voxel.css
A lightweight 3D CSS voxel library.
    3194    CSS

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Jcrop
Jcrop (official) - Image Cropping Plugin for jQuery
    3151    CSS

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docco
Literate Programming can be Quick and Dirty.
    3134    CSS

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megaboilerplate
Handcrafted starter projects, optimized for simplicity and ease of use.
    3069    CSS

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transfer.sh
Easy and fast file sharing from the command-line.
    3008    CSS

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Gumby
A Flexible, Responsive CSS Framework - Powered by Sass
    2994    CSS

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loading
This could take a while
    2949    CSS

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emmet
The essential toolkit for web-developers
    2948    CSS

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jQTouch
Create powerful mobile apps with just HTML, CSS, and Zepto.js (or jQuery).
    2907    CSS

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graphene
Graphene is a realtime dashboard & graphing toolkit based on D3 and Backbone.
    2894    CSS

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jeet
The most advanced, yet intuitive, grid system available for Sass or Stylus
    2852    CSS

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csshake
CSS classes to move your DOM!
    2849    CSS

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jekyll-now
Build a Jekyll blog in minutes, without touching the command line.
    2845    CSS

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plt
A path to Programming Language Theory enlightenment
    2840    CSS

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balloon.css
Simple tooltips made of pure CSS
    2836    CSS

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animsition
A simple and easy jQuery plugin for CSS animated page transitions.
    2819    CSS

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hamburgers
Tasty CSS-animated Hamburgers
    2816    CSS

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suit
Style tools for UI components
    2754    CSS

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docker-jumpstart
A quick introduction to Docker
    2743    CSS

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simpsons-in-css
Simpsons characters in CSS
    2647    CSS

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hubpress.io
A web application to build your blog on GitHub
    2583    CSS

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jstutorial
Javascript tutorial book
    2539    CSS

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Lungo.js
A framework for developers who want to design, build and share cross device applications.
    2537    CSS

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front-end-frameworks
A collection of best front-end frameworks for faster and easier web development.
    2517    CSS

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tmallfe.github.io
天猫前端
    2516    CSS

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JavaScript-Garden
A collection of documentation about the most quirky parts of the JavaScript language.
    2504    CSS

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appframework
The definitive HTML5 mobile javascript framework
    2483    CSS

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grunt-email-workflow
A Grunt workflow for designing and testing responsive HTML email templates with SCSS.
    2441    CSS

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easings.net
Easing Functions Cheat Sheet
    2440    CSS

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devices.css
Pure CSS phones and tablets
    2352    CSS

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gitlist
An elegant and modern git repository viewer
    2340    CSS

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Balloons.IO
Balloons.IO is a web multi-room chat server and client ready to use. It’s built with the help of node.JS, Express, Socket.IO and Redis. Balloons uses PassportJS for authentication with Twitter and Fac
    2268    CSS

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gridforms
Data entry can be beautiful
    2255    CSS

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animo.js
A powerful little tool for managing CSS animations
    2248    CSS

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uniform
v3.0+ overhauls the file hierarchy of the package. For v2.2 please see branch '2.2'.
    2244    CSS

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recess
A simple and attractive code quality tool for CSS built on top of LESS
    2208    CSS

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lesshat
Smart LESS CSS mixins library.
    2206    CSS

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wtf-forms
Friendlier HTML form controls with a little CSS magic.
    2173    CSS

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tachyons
Functional CSS for humans
    2166    CSS

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must-watch-css
A useful list of must-watch talks about CSS
    2154    CSS

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elusive-iconfont
Open-Source Iconfont.
    2147    CSS

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material_design_zh
Material Design 中文协同翻译 - design.1sters.com
    2127    CSS

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todc-bootstrap
Google-styled theme for Bootstrap.
    2118    CSS

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flatdoc
Build sites fast from Markdown
    2099    CSS

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tabula
Tabula is a tool for liberating data tables trapped inside PDF files
    2070    CSS

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github-buttons
Showcase the success of any GitHub repo or user with these simple, static buttons with dynamic counts.
    2051    CSS

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humane-js
A simple, modern, browser notification system
    1994    CSS

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poole
The Jekyll Butler.
    1993    CSS

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drop
A library for creating dropdowns and other floating elements. #hubspot-open-source
    1959    CSS

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picnic
:handbag: A beautiful CSS library to kickstart your projects
    1928    CSS

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sanitize.css
Render elements consistently. Style with best practices.
    1902    CSS

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