--- layout: default title: Customize and download slug: customize lead: Customize Bootstrap's components, Less variables, and jQuery plugins to get your very own version. ---
Heads up! The default value for `@brand-primary` has changed in the latest release to improve contrast and accessibility. Please double check your compiled CSS when upgrading.

## ✍

Have an existing configuration? Upload your `config.json` to import it.

Drag and drop here, or manually upload.

Don't have one? That's okay—just start customizing the fields below.

# Less files

Choose which Less files to compile into your custom build of Bootstrap. Not sure which files to use? Read through the CSS and Components pages in the docs.

### Common CSS

Print media styles
Typography
Code
Grid system
Tables
Forms
Buttons
Responsive utilities

### Components

Glyphicons
Button groups
Input groups
Navs
Navbar
Breadcrumbs
Pagination
Pager
Labels
Badges
Jumbotron
Thumbnails
Alerts
Progress bars
Media items
List groups
Panels
Responsive embed
Wells
Close icon

### JavaScript components

Component animations (for JS)
Dropdowns
Tooltips
Popovers
Modals
Carousel

# jQuery plugins

Choose which jQuery plugins should be included in your custom JavaScript files. Unsure what to include? Read the JavaScript page in the docs.

#### Linked to components

Alert dismissal
Advanced buttons
Carousel functionality
Dropdowns
Modals
Tooltips
Popovers (requires Tooltips)
Togglable tabs

#### Magic

Affix
Collapse
Scrollspy
Transitions (required for any kind of animation)

#### Produces two files

All checked plugins will be compiled into a readable `bootstrap.js` and a minified `bootstrap.min.js`. We recommend you use the minified version in production.

#### jQuery required

All plugins require the latest version of jQuery to be included.

# Less variables

Customize Less variables to define colors, sizes and more inside your custom CSS stylesheets.

{% include customizer-variables.html %}

# Download

Hooray! Your custom version of Bootstrap is now ready to be compiled. Just click the button below to finish the process.

#### Warning for Firefox users!

Due to a possible browser bug, the customizer download randomly fails in Firefox. If this happens to you, we advise either retrying in Firefox or using one of the other browsers supported by the Customizer (Chrome or IE10+).