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UIkit is a lightweight and modular front-end framework for developing fast and powerful web interfaces.

UIkit is an Open Source project developed by YOOtheme.

Getting started

You have the following options to get UIkit:

  • Download the latest release with pre-built CSS and JS.
  • Install with Bower to get the pre-built CSS and JS, plus Less files to compile yourself. This is recommended when using UIkit for a typical web project: bower install uikit
  • Clone the repo to get all source files including build scripts: git clone git://github.com/uikit/uikit.git
  • Install with Npm to get all source files as they are available on Github: npm install uikit
  • Directly load UIkit from CDNJS: https://cdnjs.com/libraries/uikit


To always have the newest version of UIkit, even before a release, you may want to build it from source. If you only want to integrate the Less sources in your own website, you should simply install the Bower package instead.

Clone the UIkit repository.

git clone git://github.com/uikit/uikit.git
cd uikit

Install the Node dependencies.

npm install

Build UIkit. The result will end up in the dist/ folder.

npm run compile

You can also watch for file changes and re-compile automatically.

npm run watch

Compile dist in rtl mode (experimental).

npm run compile-rtl


Finding bugs, sending pull requests or improving our docs - any contribution is welcome and highly appreciated. To get started, head over to our contribution guidelines. Thanks!


UIkit is maintained by using the Semantic Versioning Specification (SemVer).

Browser Support

Chrome Firefox Edge IE Safari Opera
Latest ✔ Latest ✔ Latest ✔ 10+ ✔ 7.1+ ✔ Latest ✔

Tested With

Copyright YOOtheme GmbH under the MIT license.

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