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

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


JavaScript components

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


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.


Gray and brand colors for use across Bootstrap.


Settings for some of the most global styles.

Background color for <body>.

Global text color on <body>.


Font, line-height, and color for body text, headings, and more.

Default monospace fonts for <code>, <kbd>, and <pre>.

Unit-less line-height for use in components like buttons.

Computed "line-height" (font-size * line-height) for use with margin, padding, etc.

By default, this inherits from the <body>.


Specify custom location and filename of the included Glyphicons icon font. Useful for those including Bootstrap via Bower.

Load fonts from this directory.

File name for all font files.

Element ID within SVG icon file.


Define common padding and border radius sizes and more. Values based on 14px text and 1.428 line-height (~20px to start).

Global color for active items (e.g., navs or dropdowns).

Global background color for active items (e.g., navs or dropdowns).

Width of the border for generating carets that indicate dropdowns.

Carets increase slightly in size for larger components.


Customizes the .table component with basic values, each used across all table variations.

Padding for <th>s and <td>s.

Padding for cells in .table-condensed.

Default background color used for all tables.

Background color used for .table-striped.

Background color used for .table-hover.

Border color for table and cell borders.


For each of Bootstrap's buttons, define text, background and border color.


<input> background color

<input disabled> background color

Text color for <input>s

<input> border color

Default .form-control border radius

Large .form-control border radius

Small .form-control border radius

Border color for inputs on focus

Placeholder text color

Default .form-control height

Large .form-control height

Small .form-control height

.form-group margin

Background color for textual input addons

Border color for textual input addons

Disabled cursor for form controls and buttons.

Dropdown menu container and contents.

Background for the dropdown menu.

Dropdown menu border-color.

Dropdown menu border-color for IE8.

Divider color for between dropdown items.

Text color for headers within dropdown menus.

Deprecated @dropdown-caret-color as of v3.1.0

Media queries breakpoints

Define the breakpoints at which your layout will change, adapting to different screen sizes.

Deprecated @screen-xs as of v3.0.1

Deprecated @screen-xs-min as of v3.2.0

Deprecated @screen-phone as of v3.0.1

Deprecated @screen-sm as of v3.0.1

Deprecated @screen-tablet as of v3.0.1

Deprecated @screen-md as of v3.0.1

Deprecated @screen-desktop as of v3.0.1

Deprecated @screen-lg as of v3.0.1

Deprecated @screen-lg-desktop as of v3.0.1

Grid system

Define your custom responsive grid.

Number of columns in the grid.

Padding between columns. Gets divided in half for the left and right.

Point at which the navbar becomes uncollapsed.

Point at which the navbar begins collapsing.

Container sizes

Define the maximum width of .container for different screen sizes.

For @screen-sm-min and up.

For @screen-md-min and up.

For @screen-lg-min and up.

Inverted navbar

Shared nav styles






Form states and alerts

Define colors for form feedback states and, by default, alerts.


Tooltip max width

Tooltip text color

Tooltip background color

Tooltip arrow width

Tooltip arrow color


Popover body background color

Popover maximum width

Popover border color

Popover fallback border color

Popover title background color

Popover arrow width

Popover arrow color

Popover outer arrow width

Popover outer arrow color

Popover outer arrow fallback color


Default label background color

Primary label background color

Success label background color

Info label background color

Warning label background color

Danger label background color

Default label text color


Padding applied to the modal body

Padding applied to the modal title

Modal title line-height

Background color of modal content area

Modal content border color

Modal content border color for IE8

Modal backdrop background color

Modal backdrop opacity

Modal header border color


Define alert colors, border radius, and padding.

Progress bars

Background color of the whole progress component

Progress bar text color

Variable for setting rounded corners on progress bar.

Default progress bar color

Success progress bar color

Warning progress bar color

Danger progress bar color

Info progress bar color

List group

Background color on .list-group-item

.list-group-item border color

List group border radius

Background color of single list items on hover

Text color of active list items

Background color of active list items

Border color of active list elements

Text color for content within active list items

Text color of disabled list items

Background color of disabled list items

Text color for content within disabled list items


Border color for elements within panels


Padding around the thumbnail image

Thumbnail background color

Thumbnail border color

Thumbnail border radius

Custom text color for thumbnail captions

Padding around the thumbnail caption



Badge text color in active nav link

Badge background color in active nav link

Breadcrumb background color

Breadcrumb text color

Text color of current page in the breadcrumb

Textual separator for between breadcrumb elements




Horizontal offset for forms and lists.

Text muted color

Abbreviations and acronyms border color

Headings small color

Blockquote small color

Blockquote font size

Blockquote border color

Page header border color

Width of horizontal description list titles

Point at which .dl-horizontal becomes horizontal

Horizontal line color.


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