Popular CSS Libraries

  1. twbs/bootstrap

    Sleek, intuitive, and powerful front-end framework for faster and easier web development. http://getbootstrap.com

    • 63K Stars
    • 22K Forks
  2. zurb/foundation

    The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites and apps that work on any kind of device. http://foundation.zurb.com

    • 15K Stars
    • 3.3K Forks
  3. necolas/normalize.css

    A modern, HTML5-ready alternative to CSS resets (as used by Bootstrap, HTML5 Boilerplate, YUI3, TweetDeck, Soundcloud, and many others). http://necolas.github.io/normalize.css/

    • 10K Stars
    • 2.1K Forks
  4. daneden/animate.css

    Cross-browser CSS3 animations. Plug and play. Do a little dance. http://daneden.me/animate

    • 8.8K Stars
    • 2.0K Forks
  5. h5bp/Effeckt.css

    UI-less, performant transitions & animations http://h5bp.github.io/Effeckt.css/dist/

    • 7.5K Stars
    • 1.1K Forks
  6. designmodo/Flat-UI

    Flat UI Free - Design Framework (html/css3/less/js). Flat UI is based on Bootstrap, a comfortable, responsive, and functional framework that simplifies the development of websites. http://designmodo.com/flat-free/

    • 6.0K Stars
    • 1.2K Forks
  7. yui/pure

    A set of small, responsive CSS modules that you can use in every web project. http://purecss.io/

    • 7.0K Stars
    • 878 Forks
  8. chriseppstein/compass

    Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain. http://compass-style.org

    • 5.1K Stars
    • 906 Forks
  9. maker/ratchet

    Prototype mobile apps with simple HTML, CSS, and JS components. http://maker.github.io/ratchet

    • 5.9K Stars
    • 605 Forks
  10. joshuaclayton/blueprint-css

    A CSS framework that aims to cut down on your CSS development time http://www.blueprintcss.org

    • 5.1K Stars
    • 540 Forks
  11. olton/Metro-UI-CSS

    CSS styles for build Windows 8 Metro UI stylable interface http://metroui.org.ua/

    • 3.0K Stars
    • 1.2K Forks
  12. dhgamache/Skeleton

    Skeleton: A Beautiful Boilerplate for Responsive, Mobile-Friendly Development http://www.getskeleton.com

    • 3.8K Stars
    • 610 Forks
    • 3.6K Stars
    • 701 Forks
  13. stubbornella/oocss

    Object Oriented CSS Framework http://stubbornella.org/

    • 3.9K Stars
    • 525 Forks
  14. csswizardry/inuit.css

    Powerful, scalable, Sass-based, BEM, OOCSS framework. http://inuitcss.com

    • 3.2K Stars
    • 514 Forks
  15. topcoat/topcoat

    CSS for clean and fast web apps http://topcoat.io

    • 3.5K Stars
    • 381 Forks
  16. driftyco/ionic

    Advanced HTML5 Mobile App Framework. A beautiful front-end framework for developing hybrid mobile apps in HTML5 http://ionicframework.com/

    • 3.2K Stars
    • 305 Forks
  17. thoughtbot/bourbon

    A simple and lightweight mixin library for Sass. http://bourbon.io/

    • 3.5K Stars
    • 378 Forks
  18. yui/yui3

    A library for building richly interactive web applications. http://yuilibrary.com/

    • 2.4K Stars
    • 718 Forks
  19. nathansmith/960-grid-system

    The 960 Grid System is an effort to streamline web development workflow. http://960.gs

    • 2.5K Stars
    • 385 Forks