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Bootstrap 
Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development, created and maintained by Mark Otto and Jacob Thornton.
To get started, check out http://getbootstrap.com!
Quick start
Three quick start options are available:
- Download the latest release.
- Clone the repo:
git clone https://github.com/twbs/bootstrap.git. - Install with Bower:
bower install bootstrap.
Read the Getting Started page for information on the framework contents, templates and examples, and more.
What's included
Within the download you'll find the following directories and files, logically grouping common assets and providing both compiled and minified variations. You'll see something like this:
bootstrap/
├── css/
│ ├── bootstrap.css
│ ├── bootstrap.min.css
│ ├── bootstrap-theme.css
│ └── bootstrap-theme.min.css
├── js/
│ ├── bootstrap.js
│ └── bootstrap.min.js
└── fonts/
├── glyphicons-halflings-regular.eot
├── glyphicons-halflings-regular.svg
├── glyphicons-halflings-regular.ttf
└── glyphicons-halflings-regular.woff
We provide compiled CSS and JS (bootstrap.*), as well as compiled and minified CSS and JS (bootstrap.min.*). Fonts from Glyphicons are included, as is the optional Bootstrap theme.
Bugs and feature requests
Have a bug or a feature request? Please open a new issue. Before opening any issue, please search for existing issues and read the Issue Guidelines, written by Nicolas Gallagher.
You may use this JS Bin as a template for your bug reports.
Documentation
Bootstrap's documentation, included in this repo in the root directory, is built with Jekyll and publicly hosted on GitHub Pages at http://getbootstrap.com. The docs may also be run locally.
Running documentation locally
- If necessary, install Jekyll (requires v1.x).
- From the root
/bootstrapdirectory, runjekyll servein the command line.
- Windows users: run
chcp 65001first to change the command prompt's character encoding (code page) to UTF-8 so Jekyll runs without errors.
- Open http://localhost:9001 in your browser, and voilà.
Learn more about using Jekyll by reading its documentation.
Documentation for previous releases
Documentation for v2.3.2 has been made available for the time being at http://getbootstrap.com/2.3.2/ while folks transition to Bootstrap 3.
Previous releases and their documentation are also available for download.
Compiling CSS and JavaScript
Bootstrap uses Grunt with convenient methods for working with the framework. It's how we compile our code, run tests, and more. To use it, install the required dependencies as directed and then run some Grunt commands.
Install Grunt
From the command line:
- Install
grunt-cliglobally withnpm install -g grunt-cli. - Navigate to the root
/bootstrapdirectory, then runnpm install. npm will look at package.json and automatically install the necessary local dependencies listed there.
When completed, you'll be able to run the various Grunt commands provided from the command line.
Unfamiliar with npm? Don't have node installed? That's a-okay. npm stands for node packaged modules and is a way to manage development dependencies through node.js. Download and install node.js before proceeding.
Available Grunt commands
Build - grunt
Run grunt to run tests locally and compile the CSS and JavaScript into /dist. Uses recess and UglifyJS.
Only compile CSS and JavaScript - grunt dist
grunt dist creates the /dist directory with compiled files. Uses recess and UglifyJS.
Tests - grunt test
Runs JSHint and QUnit tests headlessly in PhantomJS (used for CI).
Watch - grunt watch
This is a convenience method for watching just Less files and automatically building them whenever you save.
Troubleshooting dependencies
Should you encounter problems with installing dependencies or running Grunt commands, uninstall all previous dependency versions (global and local). Then, rerun npm install.
Contributing
Please read through our contributing guidelines. Included are directions for opening issues, coding standards, and notes on development.
More over, if your pull request contains JavaScript patches or features, you must include relevant unit tests. All HTML and CSS should conform to the Code Guide, maintained by Mark Otto.
Editor preferences are available in the editor config for easy use in common text editors. Read more and download plugins at http://editorconfig.org.
With v3.1, we're moving from the Apache 2 to the MIT license for the Bootstrap code (not the docs). Please see the contributing guidelines for more information.
Community
Keep track of development and community news.
- Follow @twbootstrap on Twitter.
- Read and subscribe to The Official Bootstrap Blog.
- Chat with fellow Bootstrappers in IRC. On the
irc.freenode.netserver, in the##twitter-bootstrapchannel.
Versioning
For transparency and insight into our release cycle, and for striving to maintain backward compatibility, Bootstrap will be maintained under the Semantic Versioning guidelines as much as possible.
Releases will be numbered with the following format:
<major>.<minor>.<patch>
And constructed with the following guidelines:
- Breaking backward compatibility bumps the major (and resets the minor and patch)
- New additions without breaking backward compatibility bumps the minor (and resets the patch)
- Bug fixes and misc changes bumps the patch
For more information on SemVer, please visit http://semver.org/.
Authors
Mark Otto
Jacob Thornton
Copyright and license
Copyright 2013 Twitter, Inc under the Apache 2.0 license.