Welcome

Welcome to the Bootstrap documentation, the living, interactive style and code guide for all things Bootstrap. If you're new here, continue reading to learn how to get started. Otherwise, carry on you beautiful person you.

There are a few easy ways to quickly get started with Bootstrap, each one appealing to a different skill level and use case. Read through to see what suits your particular needs.

Compiled CSS and JS

The fastest way to get started: get the compiled and minified versions of our CSS, JavaScript, and fonts. No documentation or original source files are included.

Download Bootstrap

Latest source code

Get the original files for all CSS and JavaScript, along with a local copy of the docs by downloading the latest version directly from GitHub.

Download Bootstrap source

Clone or fork via GitHub

Clone the entire project or fork your own version of Bootstrap to make it your own by visiting us on GitHub.

GitHub repository

Bower

Install and manage the original files for all CSS and JavaScript, along with a local copy of the docs, using Bower.

{% highlight bash %}$ bower install bootstrap{% endhighlight %}

Within the download you'll find the following directories and files, logically grouping common assets and providing both compiled and minified variations.

Once downloaded, unzip the compressed folder to see the structure of (the compiled) Bootstrap. You'll see something like this:

{% highlight bash %} bootstrap/ ├── css/ │ ├── bootstrap.css │ ├── bootstrap.min.css ├── js/ │ ├── bootstrap.js │ ├── bootstrap.min.js └── fonts/ ├── glyphiconshalflings-regular.eot ├── glyphiconshalflings-regular.otf ├── glyphiconshalflings-regular.svg ├── glyphiconshalflings-regular.ttf └── glyphiconshalflings-regular.woff {% endhighlight %}

This is the most basic form of Bootstrap: compiled files for quick drop-in usage in nearly any web project. We provide compiled CSS and JS (bootstrap.*), as well as compiled and minified CSS and JS (bootstrap.min.*). The image files are compressed using ImageOptim, a Mac app for compressing PNGs.

Please note that all JavaScript plugins require jQuery to be included.

Make use of a super basic HTML template, or dive into a few examples we've started for you. We encourage folks to iterate on these examples and not simply use them as an end result.

HTML template

Copy and paste the HTML from below to get started with a bare bones Bootstrap document.

{% highlight html linenos %} Bootstrap 101 Template

Hello, world!

{% endhighlight %}

Examples

Starter template

A barebones HTML page with Bootstrap's CSS and JavaScript included.

Basic grid layouts

Simple grid layouts to familiarize you with using the Bootstrap grid system.

Basic marketing site

Features a jumbotron for primary message and three supporting elements.

Narrow marketing

Slim, lightweight marketing template for small projects or teams.

Justified nav

Marketing page with equal-width navigation links in a modified navbar.

Sign in

Barebones sign in form with custom, larger form controls and a flexible layout.

Sticky footer

Pin a fixed-height footer to the bottom of the user's viewport.

Sticky footer w/ navbar

Add a fixed navbar to the default sticky footer template.

Carousel jumbotron

An interactive riff on the basic marketing site featuring a prominent carousel.

Navbar

Basic template for showcasing how the navbar works.

Static top navbar

Basic template for showcasing the static navbar variation.

Fixed top navbar

Basic template for showcasing the fixed navbar variation.

Customizing Bootstrap is best accomplished when you treat it as another dependency in your development stack. Doing so ensures future upgrades are as easy as possible while also familiarizing yourself to the intricacies of the framework.

Once you've downloaded and included Bootstrap's CSS into your templates, you can move on to customizing the included components. To do so, create a new stylesheet (LESS, if you like, or just plain CSS) to house your customizations.

Compiled or minified?

Unless you plan on reading a good chunk of the compiled CSS, go with the minified. It's the same code, just compacted. Less bandwidth is good, especially in production environments.

From there, include whatever Bootstrap components and HTML content you need to get your template setup. It's best to have a rough idea in mind of modifications to make and content to include, so be sure to spend a brief amount of time on that before moving on.

Customizing components

There are varying degrees to customizing components, but most fall into two camps: light customizations and complete visual overhauls. Luckily, there are plenty of examples of both.

We define light customizations as mostly surface layer changes, things like a color and font changes to existing Bootstrap components. A great example of this is the the Twitter Translation Center (coded by @mdo). Let's look at how to implement the custom button we wrote for this site, .btn-ttc.

Instead of using the provided Bootstrap buttons, which only require just one class to start, .btn, we'll add our own modifier class, .btn-ttc. This will give us a slightly custom look with minimal effort.

{% highlight html linenos %} {% endhighlight %}

In the custom stylesheet, add the following CSS:

{% highlight css linenos %} /* Custom button -------------------------------------------------- */ /* Override base .btn styles */ /* Apply text and background changes to three key states: default, hover, and active (click). */ .btn-ttc, .btn-ttc:hover, .btn-ttc:active { color: white; text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25); background-color: #007da7; } /* Apply the custom-colored gradients */ /* Note: you'll need to include all the appropriate gradients for various browsers and standards. */ .btn-ttc { background-repeat: repeat-x; background-image: linear-gradient(top, #009ED2 0%, #007DA7 100%); ... } /* Set the hover state */ /* An easy hover state is just to move the gradient up a small amount. Add other embellishments as you see fit. */ .btn-ttc:hover { background-position: 0 -15px; } {% endhighlight %}

Customizing Bootstrap components takes time, but should be straightforward. Look to the source code often and duplicate the selectors you need for your modifications. Placing them after the Bootstrap source makes for easy overriding without complication. To recap, here's the basic workflow:

For each element you want to customize, find its code in the compiled Bootstrap CSS. Copy and paste the selector for a component as-is. For instance, to customize the navbar background, just snag .navbar.
Add all your custom CSS in a separate stylesheet using the selectors you just copied from the Bootstrap source. No need for prefacing with additional classes or using !important here.
Rinse and repeat until you're happy with your customizations.

Going beyond light customizations and into visual overhauls is just as straightforward as the above custom button. For a site like Karma, which uses Bootstrap as a CSS reset with heavy modifications, more extensive work is involved, but well worth it in the end.

Side note: While not recommended for folks new to Bootstrap, you may use one of two alternate methods for customization. The first is modifying the source .less files (making upgrades super difficult), and the second is mapping source Less code to your own classes via mixins. For the time being, neither options are documented here.

Removing potential bloat

Not all sites and applications need to make use of everything Bootstrap has to offer, especially in production environments where bandwidth literally becomes a financial issue. We encourage folks to remove whatever is unused with our Customizer.

Using the Customizer, simply uncheck any component, feature, or asset you don't need. Hit download and swap out the default Bootstrap files with these newly customized ones. You'll get vanilla Bootstrap, but without the features *you* deem unnecessary. All custom builds include compiled and minified versions, so use whichever works for you.

CSS

Fundamental HTML elements styled and enhanced with extensible classes.

Get the lowdown on the key pieces of Bootstrap's infrastructure, including our approach to better, faster, stronger web development.

HTML5 doctype required

Bootstrap makes use of certain HTML elements and CSS properties that require the use of the HTML5 doctype. Include it at the beginning of all your projects.

{% highlight html linenos %} ... {% endhighlight %}

Mobile first

With Bootstrap 2, we added optional mobile friendly styles for key aspects of the framework. With Bootstrap 3, we've rewritten the project to be mobile friendly from the start. Instead of adding on optional mobile styles, they're baked right into the core. In fact, Bootstrap is mobile first. Mobile first styles can be found throughout the entire library instead of in separate files.

To ensure proper rendering and touch zooming, add the viewport meta tag to your <head>.

{% highlight html linenos %} {% endhighlight %}

Responsive images

We automatically attempt to scale images to appropriate sizes with a global max-width: 100%; on all <img> elements. If you run into problems (e.g., with Google Maps), be sure to disable this property on a per-case basis.

Typography and links

Bootstrap sets basic global display, typography, and link styles. Specifically, we:

Remove margin on the body
Set background-color: white; on the body
Use the @font-family-base, @font-size-base, and @line-height-base attributes as our typographic base
Set the global link color via @link-color and apply link underlines only on :hover

These styles can be found within scaffolding.less.

Normalize reset

For improved cross-browser rendering, we use Normalize, a project by Nicolas Gallagher and Jonathan Neal.

Bootstrap includes a responsive, percent-based grid system that appropriately scales up to 12 columns as the device or viewport size increases—in other words, it's mobile first. It includes predefined classes for this, as well as powerful mixins for generating semantic layouts.

Grid example

On mobile devices, the grid starts out stacked. Above 768px, it becomes horizontal as media queries kick in to apply floats and widths. To create a basic grid layout, wrap a series of .col-span-* elements within a .row. As this is a 12-column grid, each .span* spans a number of those 12 columns, and should always add up to 12 for each row (or the number of columns in the parent), even at mobile resolutions.

{% highlight html linenos %}

{% endhighlight %}

Offsetting columns

Move columns to the right using .col-offset-* classes. Each class increases the left margin of a column by a whole column. For example, .col-offset-4 moves .col-span-4 over four columns.

4 offset 4

3 offset 3

6 offset 6

{% highlight html linenos %}

...

{% endhighlight %}

Nesting columns

To nest your content with the default grid, add a new .row and set of .span* columns within an existing .span* column. Nested rows should include a set of columns that add up to 12.

Level 1: 9 columns

Level 2: 6 columns

{% highlight html linenos %}

Level 1: 9 columns

Level 2: 6 columns

{% endhighlight %}

Column ordering

Easily change the order of our built-in grid columns with .push* and .pull* modifier classes.

{% highlight html linenos %}

{% endhighlight %}

LESS mixins and variables

In addition to prebuilt grid classes for fast layouts, Bootstrap includes LESS variables and mixins for quickly generating your own simple, semantic layouts.

Variables

Variables determine the number of columns, the gutter width, and the media query point at which to begin floating columns. We use these to generate the predefined grid classes documented above, as well as for the custom mixins listed below.

{% highlight css linenos %} @grid-columns: 12; @grid-gutter-width: 30px; @grid-float-breakpoint: 768px; {% endhighlight %}

Mixins

Mixins are used in conjunction with the grid variables to generate semantic CSS for individual grid columns.

{% highlight css linenos %} // Creates a wrapper for a series of columns .make-row() { // Negative margin the row out to align the content of columns margin-left: (@grid-gutter-width / -2); margin-right: (@grid-gutter-width / -2); // Then clear the floated columns .clearfix(); } // Generate the columns .make-column(@columns) { @media (min-width: @grid-float-breakpoint) { float: left; // Calculate width based on number of columns available width: percentage(@columns / @grid-columns); } // Prevent columns from collapsing when empty min-height: 1px; // Set inner padding as gutters instead of margin padding-left: (@grid-gutter-width / 2); padding-right: (@grid-gutter-width / 2); } // Generate the column offsets .make-column-offset(@columns) { @media (min-width: @grid-float-breakpoint) { margin-left: percentage((@columns / @grid-columns)); } } {% endhighlight %}

Example usage

You can modify the variables to your own custom values, or just use the mixins with their default values. Here's an example of using the default settings to create a two-column layout with a gap between.

{% highlight css linenos %} .wrapper { .make-row(); } .content-main { .make-column(8); } .content-secondary { .make-column(3); .make-column-offset(1); } {% endhighlight %} {% highlight html linenos %}

...

{% endhighlight %}

Headings

All HTML headings, <h1> through <h6> are available.

Bootstrap heading	Semibold 38px
Bootstrap heading	Semibold 32px
Bootstrap heading	Semibold 24px
Bootstrap heading	Semibold 18px
Bootstrap heading	Semibold 16px
Bootstrap heading	Semibold 12px

{% highlight html linenos %}

...

{% endhighlight %}

Body copy

Bootstrap's global default font-size is 14px, with a line-height of 20px. This is applied to the <body> and all paragraphs. In addition, <p> (paragraphs) receive a bottom margin of half their line-height (10px by default).

Nullam quis risus eget urna mollis ornare vel eu leo. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nullam id dolor id nibh ultricies vehicula.

Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec ullamcorper nulla non metus auctor fringilla. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Donec ullamcorper nulla non metus auctor fringilla.

Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit.

{% highlight html linenos %}

...

{% endhighlight %}

Lead body copy

Make a paragraph stand out by adding .lead.

Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor. Duis mollis, est non commodo luctus.

{% highlight html linenos %}

...

{% endhighlight %}

Built with Less

The typographic scale is based on two LESS variables in variables.less: @font-size-base and @line-height-base. The first is the base font-size used throughout and the second is the base line-height. We use those variables and some simple math to create the margins, paddings, and line-heights of all our type and more. Customize them and Bootstrap adapts.

Emphasis

Make use of HTML's default emphasis tags with lightweight styles.

Small text

For de-emphasizing inline or blocks of text, use the small tag to set text at 85% the size of the parent. Heading elements receive their own font-size for nested <small< elements.

This line of text is meant to be treated as fine print.

{% highlight html linenos %} This line of text is meant to be treated as fine print. {% endhighlight %}

Bold

For emphasizing a snippet of text with a heavier font-weight.

The following snippet of text is rendered as bold text.

{% highlight html linenos %} rendered as bold text {% endhighlight %}

Italics

For emphasizing a snippet of text with italics.

The following snippet of text is rendered as italicized text.

{% highlight html linenos %} rendered as italicized text {% endhighlight %}

Feel free to use <b> and <i> in HTML5. <b> is meant to highlight words or phrases without conveying additional importance while <i> is mostly for voice, technical terms, etc.

Alignment classes

Easily realign text to components with text alignment classes.

Left aligned text.

Center aligned text.

Right aligned text.

{% highlight html linenos %}

Left aligned text.

Center aligned text.

Right aligned text.

{% endhighlight %}

Emphasis classes

Convey meaning through color with a handful of emphasis utility classes.

Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.

Etiam porta sem malesuada magna mollis euismod.

Donec ullamcorper nulla non metus auctor fringilla.

Duis mollis, est non commodo luctus, nisi erat porttitor ligula.

{% highlight html linenos %}

...

{% endhighlight %}

Abbreviations

Stylized implementation of HTML's <abbr> element for abbreviations and acronyms to show the expanded version on hover. Abbreviations with a title attribute have a light dotted bottom border and a help cursor on hover, providing additional context on hover.

Basic abbreviation

For expanded text on long hover of an abbreviation, include the title attribute with the <abbr> element.

An abbreviation of the word attribute is attr.

{% highlight html linenos %} attr {% endhighlight %}

Initialism

Add .initialism to an abbreviation for a slightly smaller font-size.

HTML is the best thing since sliced bread.

{% highlight html linenos %} HTML {% endhighlight %}

Addresses

Present contact information for the nearest ancestor or the entire body of work. Preserve formatting by ending all lines with <br>.

Twitter, Inc.
795 Folsom Ave, Suite 600
San Francisco, CA 94107
P: (123) 456-7890

Full Name
first.last@example.com

{% highlight html linenos %}

Twitter, Inc.
795 Folsom Ave, Suite 600
San Francisco, CA 94107
P: (123) 456-7890

Full Name
first.last@example.com

{% endhighlight %}

Blockquotes

For quoting blocks of content from another source within your document.

Default blockquote

Wrap <blockquote> around any HTML as the quote. For straight quotes we recommend a <p>.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.

{% highlight html linenos %}

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.

{% endhighlight %}

Blockquote options

Style and content changes for simple variations on a standard blockquote.

Naming a source

Add <small> tag for identifying the source. Wrap the name of the source work in <cite>.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Someone famous in Source Title

{% highlight html linenos %}

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Someone famous Source Title

{% endhighlight %}

Alternate displays

Use .pull-right for a floated, right-aligned blockquote.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.
Someone famous in Source Title

{% highlight html linenos %}

...

{% endhighlight %}

Lists

Unordered

A list of items in which the order does not explicitly matter.

Lorem ipsum dolor sit amet
Consectetur adipiscing elit
Integer molestie lorem at massa
Facilisis in pretium nisl aliquet
Nulla volutpat aliquam velit
- Phasellus iaculis neque
- Purus sodales ultricies
- Vestibulum laoreet porttitor sem
- Ac tristique libero volutpat at
Faucibus porta lacus fringilla vel
Aenean sit amet erat nunc
Eget porttitor lorem

{% highlight html linenos %}

{% endhighlight %}

Ordered

A list of items in which the order does explicitly matter.

Lorem ipsum dolor sit amet
Consectetur adipiscing elit
Integer molestie lorem at massa
Facilisis in pretium nisl aliquet
Nulla volutpat aliquam velit
Faucibus porta lacus fringilla vel
Aenean sit amet erat nunc
Eget porttitor lorem

{% highlight html linenos %}

{% endhighlight %}

Unstyled

Remove the default list-style and left margin on list items (immediate children only). This only applies to immediate children list items, meaning you will need to add the class for any nested lists as well.

Lorem ipsum dolor sit amet
Consectetur adipiscing elit
Integer molestie lorem at massa
Facilisis in pretium nisl aliquet
Nulla volutpat aliquam velit
- Phasellus iaculis neque
- Purus sodales ultricies
- Vestibulum laoreet porttitor sem
- Ac tristique libero volutpat at
Faucibus porta lacus fringilla vel
Aenean sit amet erat nunc
Eget porttitor lorem

{% highlight html linenos %}

{% endhighlight %}

Inline

Place all list items on a single line with inline-block and some light padding.

Lorem ipsum
Phasellus iaculis
Nulla volutpat

{% highlight html linenos %}

{% endhighlight %}

Description

A list of terms with their associated descriptions.

Description lists: A description list is perfect for defining terms.
Euismod: Vestibulum id ligula porta felis euismod semper eget lacinia odio sem nec elit.; Donec id elit non mi porta gravida at eget metus.
Malesuada porta: Etiam porta sem malesuada magna mollis euismod.

{% highlight html linenos %}

...: ...

{% endhighlight %}

Horizontal description

Make terms and descriptions in <dl> line up side-by-side.

Description lists: A description list is perfect for defining terms.
Euismod: Vestibulum id ligula porta felis euismod semper eget lacinia odio sem nec elit.; Donec id elit non mi porta gravida at eget metus.
Malesuada porta: Etiam porta sem malesuada magna mollis euismod.
Felis euismod semper eget lacinia: Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.

{% highlight html linenos %}

...: ...

{% endhighlight %}

Auto-truncating

Horizontal description lists will truncate terms that are too long to fit in the left column fix text-overflow. In narrower viewports, they will change to the default stacked layout.

Inline

Wrap inline snippets of code with <code>.

For example, <section> should be wrapped as inline.

{% highlight html linenos %} For example, <section> should be wrapped as inline. {% endhighlight %}

Basic block

Use <pre> for multiple lines of code. Be sure to escape any angle brackets in the code for proper rendering.

<p>Sample text here...</p>

{% highlight html linenos %}

<p>Sample text here...</p>

{% endhighlight %}

You may optionally add the .pre-scrollable class which will set a max-height of 350px and provide a y-axis scrollbar.

Basic example

For basic styling—light padding and only horizontal dividers—add the base class .table to any <table>. It may seem super redundant, but given the widespread use of tables for other plugins like calendars and date pickers, we've opted to isolate our custom table styles.

#	First Name	Last Name	Username
1	Mark	Otto	@mdo
2	Jacob	Thornton	@fat
3	Larry	the Bird	@twitter

{% highlight html linenos %} ...

{% endhighlight %}

Optional classes

Add any of the following classes to the .table base class.

Striped

Use .table-striped to add zebra-striping to any table row within the <tbody> via the :nth-child CSS selector (not available in IE8).

#	First Name	Last Name	Username
1	Mark	Otto	@mdo
2	Jacob	Thornton	@fat
3	Larry	the Bird	@twitter

{% highlight html linenos %} ...

{% endhighlight %}

Bordered

Add .table-bordered for borders and rounded corners.

#	First Name	Last Name	Username
1	Mark	Otto	@mdo
1	Mark	Otto	@TwBootstrap
2	Jacob	Thornton	@fat
3	Larry the Bird		@twitter

{% highlight html linenos %} ...

{% endhighlight %}

Hover rows

Add .table-hover to enable a hover state on table rows within a <tbody>.

#	First Name	Last Name	Username
1	Mark	Otto	@mdo
2	Jacob	Thornton	@fat
3	Larry the Bird		@twitter

{% highlight html linenos %} ...

{% endhighlight %}

Condensed

Add .table-condensed to make tables more compact by cutting cell padding in half.

#	First Name	Last Name	Username
1	Mark	Otto	@mdo
2	Jacob	Thornton	@fat
3	Larry the Bird		@twitter

{% highlight html linenos %} ...

{% endhighlight %}

Optional row classes

Use contextual classes to color table rows.

Class	Description
`.success`	Indicates a successful or positive action.
`.error`	Indicates a dangerous or potentially negative action.
`.warning`	Indicates a warning that might need attention.
`.info`	Used as an alternative to the default styles.

#	Product	Payment Taken	Status
1	TB - Monthly	01/04/2012	Approved
2	TB - Monthly	02/04/2012	Declined
3	TB - Monthly	03/04/2012	Pending

{% highlight html linenos %} ... 1 TB - Monthly 01/04/2012 Approved ... {% endhighlight %}

Button options

Button styles can be applied to anything with the .btn class applied. However, typically you'll want to apply these to only <a> and <button> elements for the best rendering.

{% highlight html linenos %} {% endhighlight %}

Cross browser compatibility

IE9 doesn't crop background gradients on rounded corners, so we remove it. Related, IE9 jankifies disabled button elements, rendering text gray with a nasty text-shadow that we cannot fix.

Button sizes

Fancy larger or smaller buttons? Add .btn-large, .btn-small, or .btn-mini for additional sizes.

{% highlight html linenos %}

{% endhighlight %}

Create block level buttons—those that span the full width of a parent— by adding .btn-block.

{% highlight html linenos %} {% endhighlight %}

Disabled state

Make buttons look unclickable by fading them back 50%.

Button element

Add the disabled attribute to <button> buttons.

{% highlight html linenos %} {% endhighlight %}

Anchor element

Add the .disabled class to <a> buttons.

Primary link Link

{% highlight html linenos %} Primary link Link {% endhighlight %}

We use .disabled as a utility class here, similar to the common .active class, so no prefix is required. Also, this class is only for aesthetic; you must use custom JavaScript to disable links here.

One class, multiple tags

Use the .btn class on an <a>, <button>, or <input> element.

{% highlight html linenos %} Link {% endhighlight %}

As a best practice, we highly recommend matching using the <button< element whenever possible to ensure matching cross-browser rendering.

Add classes to an <img> element to easily style images in any project. Rounded corners are not available in IE8.

{% highlight html linenos %}

{% endhighlight %}

Close icon

Use the generic close icon for dismissing content like modals and alerts.

{% highlight html linenos %} {% endhighlight %}

.pull-left

Float an element left

{% highlight html linenos %}

...

{% endhighlight %} {% highlight css linenos %} .pull-left { float: left; } {% endhighlight %}

.pull-right

Float an element right

{% highlight html linenos %}

...

{% endhighlight %} {% highlight css linenos %} .pull-right { float: right; } {% endhighlight %}

.clearfix

Clear the float on any element. Utilizes the micro clearfix as popularized by Nicolas Gallagher.

{% highlight html linenos %}

...

{% endhighlight %} {% highlight css linenos %} // Mixin .clearfix { &:before, &:after { content: " "; display: table; } &:after { clear: both; } } // Usage .element { .clearfix(); } {% endhighlight %}

For faster mobile-friendly development, use these utility classes for showing and hiding content by device via media query. Also included are utility classes for toggling content when printed.

Responsive classes

Class	Phones 767px and below	Tablets 979px to 768px	Desktops Default
`.visible-phone`	Visible	Hidden	Hidden
`.visible-tablet`	Hidden	Visible	Hidden
`.visible-desktop`	Hidden	Hidden	Visible
`.hidden-phone`	Hidden	Visible	Visible
`.hidden-tablet`	Visible	Hidden	Visible
`.hidden-desktop`	Visible	Visible	Hidden

Print classes

Class	Browser	Print
`.visible-print`	Hidden	Visible
`.hidden-print`	Visible	Hidden

When to use

Use on a limited basis and avoid creating entirely different versions of the same site. Instead, use them to complement each device's presentation. Responsive utilities should not be used with tables, and as such are not supported.

Test case

Resize your browser or load on different devices to test the above classes.

Visible on...

Green checkmarks indicate that class is visible in your current viewport.

Phone✔ Phone
Tablet✔ Tablet
Desktop✔ Desktop

Hidden on...

Here, green checkmarks indicate that class is hidden in your current viewport.

Phone✔ Phone
Tablet✔ Tablet
Desktop✔ Desktop

Components

Dozens of reusable components built to provide iconography, dropdowns, navigation, alerts, popovers, and much more.

Included glyphs

Bootstrap comes with all 160 of Glyphicons Halflings set, all available in font formats for easy coloring, sizing, and placement.

glyphicon-glass
glyphicon-music
glyphicon-search
glyphicon-envelope
glyphicon-heart
glyphicon-star
glyphicon-star-empty
glyphicon-user
glyphicon-film
glyphicon-th-large
glyphicon-th
glyphicon-th-list
glyphicon-ok
glyphicon-remove
glyphicon-zoom-in
glyphicon-zoom-out
glyphicon-off
glyphicon-signal
glyphicon-cog
glyphicon-trash
glyphicon-home
glyphicon-file
glyphicon-time
glyphicon-road
glyphicon-download-alt
glyphicon-download
glyphicon-upload
glyphicon-inbox
glyphicon-play-circle
glyphicon-repeat
glyphicon-refresh
glyphicon-list-alt
glyphicon-lock
glyphicon-flag
glyphicon-headphones
glyphicon-volume-off
glyphicon-volume-down
glyphicon-volume-up
glyphicon-qrcode
glyphicon-barcode
glyphicon-tag
glyphicon-tags
glyphicon-book
glyphicon-bookmark
glyphicon-print
glyphicon-camera
glyphicon-font
glyphicon-bold
glyphicon-italic
glyphicon-text-height
glyphicon-text-width
glyphicon-align-left
glyphicon-align-center
glyphicon-align-right
glyphicon-align-justify
glyphicon-list
glyphicon-indent-left
glyphicon-indent-right
glyphicon-facetime-video
glyphicon-picture
glyphicon-pencil
glyphicon-map-marker
glyphicon-adjust
glyphicon-tint
glyphicon-edit
glyphicon-share
glyphicon-check
glyphicon-move
glyphicon-step-backward
glyphicon-fast-backward
glyphicon-backward
glyphicon-play
glyphicon-pause
glyphicon-stop
glyphicon-forward
glyphicon-fast-forward
glyphicon-step-forward
glyphicon-eject
glyphicon-chevron-left
glyphicon-chevron-right
glyphicon-plus-sign
glyphicon-minus-sign
glyphicon-remove-sign
glyphicon-ok-sign
glyphicon-question-sign
glyphicon-info-sign
glyphicon-screenshot
glyphicon-remove-circle
glyphicon-ok-circle
glyphicon-ban-circle
glyphicon-arrow-left
glyphicon-arrow-right
glyphicon-arrow-up
glyphicon-arrow-down
glyphicon-share-alt
glyphicon-resize-full
glyphicon-resize-small
glyphicon-plus
glyphicon-minus
glyphicon-asterisk
glyphicon-exclamation-sign
glyphicon-gift
glyphicon-leaf
glyphicon-fire
glyphicon-eye-open
glyphicon-eye-close
glyphicon-warning-sign
glyphicon-plane
glyphicon-calendar
glyphicon-random
glyphicon-comment
glyphicon-magnet
glyphicon-chevron-up
glyphicon-chevron-down
glyphicon-retweet
glyphicon-shopping-cart
glyphicon-folder-close
glyphicon-folder-open
glyphicon-resize-vertical
glyphicon-resize-horizontal
glyphicon-hdd
glyphicon-bullhorn
glyphicon-bell
glyphicon-certificate
glyphicon-thumbs-up
glyphicon-thumbs-down
glyphicon-hand-right
glyphicon-hand-left
glyphicon-hand-up
glyphicon-hand-down
glyphicon-circle-arrow-right
glyphicon-circle-arrow-left
glyphicon-circle-arrow-up
glyphicon-circle-arrow-down
glyphicon-globe
glyphicon-wrench
glyphicon-tasks
glyphicon-filter
glyphicon-briefcase
glyphicon-fullscreen
glyphicon-dashboard
glyphicon-paperclip
glyphicon-heart-empty
glyphicon-link
glyphicon-phone
glyphicon-pushpin
glyphicon-euro
glyphicon-usd
glyphicon-gbp
glyphicon-sort
glyphicon-sort-by-alphabet
glyphicon-sort-by-alphabet-alt
glyphicon-sort-by-order
glyphicon-sort-by-order-alt
glyphicon-sort-by-attributes
glyphicon-sort-by-attributes-alt
glyphicon-unchecked
glyphicon-expand
glyphicon-collapse
glyphicon-collapse-top

Glyphicons attribution

Glyphicons Halflings are normally not available for free, but an arrangement between Bootstrap and the Glyphicons creator have made this possible at no cost to you as developers. As a thank you, we ask you to include an optional link back to Glyphicons whenever practical.

How to use

Add the appropriate class to any inline element. All icon classes are prefixed with glyphicon- for easy styling. To use, place the following code just about anywhere:

{% highlight html linenos %} {% endhighlight %}

Want to change the icon color? Just change the color of the parent element.

When using beside strings of text, as in buttons or nav links, be sure to leave a space after the icon for proper spacing.

Icon examples

Use them in buttons, button groups for a toolbar, navigation, or prepended form inputs.

Buttons

Button group in a button toolbar

{% highlight html linenos %} {% endhighlight %}

Dropdown in a button group

User

{% highlight html linenos %}

User

{% endhighlight %}

Large button

Star

{% highlight html linenos %} Star {% endhighlight %}

Small button

{% highlight html linenos %} {% endhighlight %}

Navigation

{% highlight html linenos %}

{% endhighlight %}

Form fields

{% highlight html linenos %}

Email address

{% endhighlight %}

Toggleable, contextual menu for displaying lists of links. Made interactive with the dropdown JavaScript plugin.

Example

Wrap the dropdown's trigger and the dropdown menu within .dropdown, or another element that declares position: relative;. Then add the menu's HTML.

{% highlight html linenos %} {% endhighlight %}

Aligning the menus

Add .pull-right to a .dropdown-menu to right align the dropdown menu.

{% highlight html linenos %} {% endhighlight %}

Disabled menu options

Add .disabled to a <li> in the dropdown to disable the link.

{% highlight html linenos %} {% endhighlight %}

Sub menus on dropdowns

Add an extra level of dropdown menus, appearing on hover like those of OS X, with some simple markup additions. Add .dropdown-submenu to any li in an existing dropdown menu for automatic styling.

Default

Dropup

Left submenu

{% highlight html linenos %} {% endhighlight %}

Group a series of buttons together on a single line with the button group. Add on optional JavaScript radio and checkbox style behavior with our buttons plugin.

Basic button group

Wrap a series of buttons with .btn in .btn-group.

{% highlight html linenos %}

{% endhighlight %}

Combine sets of <div class="btn-group"> into a <div class="btn-toolbar"> for more complex components.

{% highlight html linenos %} {% endhighlight %}

Vertical button groups

Make a set of buttons appear vertically stacked rather than horizontally.

{% highlight html linenos %}

...

{% endhighlight %}

Justified button groups

Make a group of buttons stretch at the same size to span the entire width of its parent. This only works with <a> elements as the <button> doesn't pick up these styles.

Left Right Middle

{% highlight html linenos %}

...

{% endhighlight %}

Use any button to trigger a dropdown menu by placing it within a .btn-group and providing the proper menu markup. Requires the Bootstrap dropdown plugin.

Single button dropdowns

Turn a button into dropdown toggle with some basic markup changes.

{% highlight html linenos %}

{% endhighlight %}

Split button dropdowns

Similarly, create split button dropdowns with the same markup changes, only with a separate button.

{% highlight html linenos %}

{% endhighlight %}

Works with all button sizes

Button dropdowns work at any size: .btn-large, .btn-small, or .btn-mini.

{% highlight html linenos %}

{% endhighlight %}

Dropup buttons

Trigger dropdown menus above elements by adding .dropup to the parent.

{% highlight html linenos %}

{% endhighlight %}

Navs available in Bootstrap have shared markup, starting with the base .nav class, as well as shared states. Swap modifier classes to switch between each style.

Tabs

Note the .nav-tabs class requires the .nav base class.

{% highlight html linenos %}

{% endhighlight %}

Pills

Take that same HTML, but use .nav-pills instead:

{% highlight html linenos %}

{% endhighlight %}

Pills are also vertically stackable. Just add .nav-stacked.

{% highlight html linenos %}

... {% endhighlight %}

Options

Justified links

Easily make tabs or pills equal widths of their parent with .nav-justified.

{% highlight html linenos %}

...

... {% endhighlight %}

Disabled state

For any nav component (tabs, pills, or list), add .disabled for gray links and no hover effects. Links will remain clickable, however, unless you remove the href attribute. Alternatively, you could implement custom JavaScript to prevent those clicks.

{% highlight html linenos %}

Disabled link

{% endhighlight %}

Component alignment

To align nav links, use the .pull-left or .pull-right utility classes. Both classes will add a CSS float in the specified direction.

Dropdowns

Add dropdown menus with a little extra HTML and the dropdowns JavaScript plugin.

Tabs with dropdowns

{% highlight html linenos %}

Dropdown

{% endhighlight %}

Pills with dropdowns

{% highlight html linenos %}

Dropdown

{% endhighlight %}

To start, navbars are static (not fixed to the top) and include support for a project name and basic navigation. Place one anywhere within a .container, which sets the width of your site and content.

{% highlight html linenos %} {% endhighlight %}

Navbar components

A simple link to show your brand or project name only requires an anchor tag.

{% highlight html linenos %} {% endhighlight %}

Nav items are simple to add via unordered lists.

{% highlight html linenos %}

{% endhighlight %}

You can easily add dividers to your nav links with an empty list item and a simple class. Just add the appropriate class to <li> elements between links. Dividers will be horizontal to start, but at resolutions above 768px they become vertical with the navigation.

{% highlight html linenos %}

{% endhighlight %}

To properly style and position a form within the navbar, add the appropriate classes as shown below. For a default form, include .navbar-form and either .pull-left or .pull-right to properly align it.

{% highlight html linenos %} {% endhighlight %}

Component alignment

Align nav links, search form, or text, use the .pull-left or .pull-right utility classes. Both classes will add a CSS float in the specified direction.

Using dropdowns

Add dropdowns and dropups to the nav with a bit of markup and the dropdowns JavaScript plugin.

Text

Wrap strings of text in an element with .navbar-text, usually on a <p> tag for proper leading and color.

Optional display variations

Fix the navbar to the top or bottom of the viewport with an additional class on the outermost div, .navbar.

Add .navbar-fixed-top and remember to account for the hidden area underneath it by adding at least 40px padding to the <body>. Be sure to add this after the core Bootstrap CSS and before the optional responsive CSS.

{% highlight html linenos %} {% endhighlight %}

Add .navbar-fixed-bottom instead.

{% highlight html linenos %} {% endhighlight %}

Create a full-width navbar that scrolls away with the page by adding .navbar-static-top. Unlike the .navbar-fixed-top class, you do not need to change any padding on the body.

{% highlight html linenos %} {% endhighlight %}

To implement a collapsing responsive navbar, wrap your navbar content in a containing div, .nav-collapse.collapse, and add the navbar toggle button, .navbar-toggle.

{% highlight html linenos %} {% endhighlight %}

Heads up! The responsive navbar requires the collapse plugin and responsive Bootstrap CSS file.

Inverted variation

Modify the look of the navbar by adding .navbar-inverse.

{% highlight html linenos %} {% endhighlight %}

Indicate the current page's location within a navigational hierarchy.

{% highlight html linenos %} {% endhighlight %}

Provide pagination links for your site or app with the multi-page pagination component, or the simpler pager alternative.

Standard pagination

Simple pagination inspired by Rdio, great for apps and search results. The large block is hard to miss, easily scalable, and provides large click areas.

{% highlight html linenos %}

{% endhighlight %}

Disabled and active states

Links are customizable for different circumstances. Use .disabled for unclickable links and .active to indicate the current page.

{% highlight html linenos %}

{% endhighlight %}

You can optionally swap out active or disabled anchors for <span> to remove click functionality while retaining intended styles.

{% highlight html linenos %}

{% endhighlight %}

Sizes

Fancy larger or smaller pagination? Add .pagination-large, .pagination-small, or .pagination-mini for additional sizes.

{% highlight html linenos %}

...

... {% endhighlight %}

Pager

Quick previous and next links for simple pagination implementations with light markup and styles. It's great for simple sites like blogs or magazines.

Default example

By default, the pager centers links.

{% highlight html linenos %} {% endhighlight %}

Aligned links

Alternatively, you can align each link to the sides:

{% highlight html linenos %} {% endhighlight %}

Optional disabled state

Pager links also use the general .disabled utility class from the pagination.

{% highlight html linenos %} {% endhighlight %}

Example

Example heading New

{% highlight html linenos %}

Example heading New

{% endhighlight %}

Available variations

Add any of the below mentioned modifier classes to change the appearance of a label.

Labels	Markup
Default	`<span class="label">Default</span>`
Success	`<span class="label label-success">Success</span>`
Warning	`<span class="label label-warning">Warning</span>`
Danger	`<span class="label label-danger">Danger</span>`
Info	`<span class="label label-info">Info</span>`

Easily highlight new or unread items by adding a <span class="badge"> to links, Bootstrap navs, and more.

Inbox 42

{% highlight html linenos %} Inbox 42 {% endhighlight %}

Self collapsing

When there are no new or unread items, badges will simply collapse (via CSS's :empty selector) provided no content exists within.

Adapts to active nav states

Built-in styles are included for placing badges in active states in pill and list navigations.

{% highlight html linenos %}

42 Home

{% endhighlight %}

Jumbotron

A lightweight, flexible component to showcase key content on your site. It works well on marketing and content-heavy sites.

Hello, world!

This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.

Learn more

{% highlight html linenos %}

Hello, world!

...

Learn more

{% endhighlight %}

A simple shell for an h1 to appropriately space out and segment sections of content on a page. It can utilize the h1's default small, element as well most other components (with additional styles).

{% highlight html linenos %} {% endhighlight %}

Extend Bootstrap's grid system with the thumbnail component to easily display grids of images, videos, text, and more.

Default thumbnails

By default, Bootstrap's thumbnails are designed to showcase linked images with minimal required markup.

{% highlight html linenos %}

...

{% endhighlight %}

Custom content thumbnails

With a bit of extra markup, it's possible to add any kind of HTML content like headings, paragraphs, or buttons into thumbnails.

Thumbnail label

Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.

Action Action

Thumbnail label

Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.

Action Action

Thumbnail label

Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.

Action Action

{% highlight html linenos %}

Thumbnail label

...

Action Action

{% endhighlight %}

Provide contextual feedback messages for typical user actions with the handful of available and flexible alert messages. For inline dismissal, use the alerts jQuery plugin.

Default alert

Wrap any text and an optional dismiss button in .alert for a basic warning alert message. To ensure proper behavior across all devices, be sure to use <button> element with the data-dismiss="alert" data attribute.

Warning! Best check yo self, you're not looking too good.

{% highlight html linenos %}

Warning! Best check yo self, you're not looking too good.

{% endhighlight %}

Block alerts

For longer messages, increase the padding on the top and bottom of the alert wrapper by adding .alert-block.

Warning!

Best check yo self, you're not looking too good. Nulla vitae elit libero, a pharetra augue. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

{% highlight html linenos %}

Warning!

...

{% endhighlight %}

Contextual alternatives

Add optional classes to change an alert's connotation.

Oh snap! Change a few things up and try submitting again.

Well done! You successfully read this important alert message.

Heads up! This alert needs your attention, but it's not super important.

{% highlight html linenos %}

...

{% endhighlight %}

Provide up-to-date feedback on the progress of a workflow or action with simple yet flexible progress bars.

Progress bars use CSS3 transitions and animations to achieve some of their effects. These features are not supported in IE8-9 or older versions of Firefox. Internet Explorer 10 and below, as well as Opera 12, do not support animations.

Basic

Default progress bar with a vertical gradient.

{% highlight html linenos %}

{% endhighlight %}

Contextual alternatives

Progress bars use some of the same button and alert classes for consistent styles.

{% highlight html linenos %}

{% endhighlight %}

Striped

Uses a gradient to create a striped effect. Not available in IE8.

{% highlight html linenos %}

{% endhighlight %}

Animated

Add .active to .progress-striped to animate the stripes right to left. Not available in all versions of IE.

{% highlight html linenos %}

{% endhighlight %}

Stacked

Place multiple bars into the same .progress to stack them.

{% highlight html linenos %}

{% endhighlight %}

Abstract object styles for building various types of components (like blog comments, Tweets, etc) that feature a left- or right-aligned image alongside textual content.

Default example

The default media allow to float a media object (images, video, audio) to the left or right of a content block.

Media heading

Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis. Fusce condimentum nunc ac nisi vulputate fringilla. Donec lacinia congue felis in faucibus.

Media heading

{% highlight html linenos %}

Media heading

...

{% endhighlight %}

Media list

With a bit of extra markup, you can use media inside list (useful for comment threads or articles lists).

Media heading

Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis.

Nested media heading
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis.

Nested media heading
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis.

Nested media heading
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis.
Media heading
Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin commodo. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis.

{% highlight html linenos %}

Media heading
...

{% endhighlight %}

List groups are a flexible and powerful component for displaying not only simple lists of elements, but complex ones with custom content.

Basic list group

The most basic list group is simply an unordered list with list items, and the proper classes. Build upon it with the options that follow, or your own CSS as needed.

Cras justo odio
Dapibus ac facilisis in
Morbi leo risus
Porta ac consectetur ac
Vestibulum at eros

{% highlight html linenos %}

Cras justo odio
Dapibus ac facilisis in
Morbi leo risus
Porta ac consectetur ac
Vestibulum at eros

{% endhighlight %}

With chevrons

Adding Glyphicon chevrons are automatically moved to the right.

Cras justo odio
Dapibus ac facilisis in
Morbi leo risus

{% highlight html linenos %}

Cras justo odio

{% endhighlight %}

With badges

Add the badges component to any list group item and it will automatically be positioned on the right.

14 Cras justo odio
2 Dapibus ac facilisis in
1 Morbi leo risus

{% highlight html linenos %}

14 Cras justo odio

{% endhighlight %}

With badges and chevrons

Why not both?

14 Cras justo odio
2 Dapibus ac facilisis in
1 Morbi leo risus

{% highlight html linenos %}

14 Cras justo odio

{% endhighlight %}

Linked list group

Linkify list group items by using anchor tags instead of list items (that also means a parent <div> instead of an <ul>. No need for individual parents around each element.

Cras justo odio Dapibus ac facilisis in Morbi leo risus Porta ac consectetur ac Vestibulum at eros

{% highlight html linenos %}

Cras justo odio Dapibus ac facilisis in Morbi leo risus Porta ac consectetur ac Vestibulum at eros

{% endhighlight %}

Custom content

Add nearly any HTML within, even for linked list groups like the one below.

List group item heading

Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.

List group item heading

Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.

List group item heading

Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.

{% highlight html linenos %}

List group item heading

...

{% endhighlight %}

While not always necessary, sometimes you need to put your DOM in a box. For those situations, try the panel component.

Basic panel

By default, all the .panel does is apply some basic border and padding to contain some content.

Basic panel example

{% highlight html linenos %}

Basic panel example

{% endhighlight %}

Panel with heading

Easily add a heading to your panel with .panel-heading. Use it on a <div> or any heading element (e.g., <h3>).

Panel heading

Panel content

{% highlight html linenos %}

Panel heading

Panel content

{% endhighlight %}

Contextual alternatives

Like other components, easily make a panel more meaningful to a particular context by adding any of the contextual state classes.

Panel heading

Panel content

Panel heading

Panel content

Panel heading

Panel content

Panel heading

Panel content

Panel heading

Panel content

{% highlight html linenos %}

...

{% endhighlight %}

With list groups

Easily include full-width list groups within any panel.

Panel heading

Some default panel content here. Nulla vitae elit libero, a pharetra augue. Aenean lacinia bibendum nulla sed consectetur. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Nullam id dolor id nibh ultricies vehicula ut id elit.

Cras justo odio
Dapibus ac facilisis in
Morbi leo risus
Porta ac consectetur ac
Vestibulum at eros

{% highlight html linenos %}

Panel heading

...

Cras justo odio
Dapibus ac facilisis in
Morbi leo risus
Porta ac consectetur ac
Vestibulum at eros

{% endhighlight %}

Default well

Use the well as a simple effect on an element to give it an inset effect.

Look, I'm in a well!

{% highlight html linenos %}

...

{% endhighlight %}

Optional classes

Control padding and rounded corners with two optional modifier classes.

Look, I'm in a well!

{% highlight html linenos %}

...

{% endhighlight %}

Look, I'm in a well!

{% highlight html linenos %}

...

{% endhighlight %}

JavaScript plugins

Bring Bootstrap's components to life with over a dozen custom jQuery plugins. Easily include them all, or one by one.

Individual or compiled

Plugins can be included individually (though some have required dependencies), or all at once. Do attempt to include both. Both bootstrap.js and bootstrap.min.js contain all plugins in a single file.

Data attributes

You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. This is Bootstrap's first class API and should be your first consideration when using a plugin.

That said, in some situations it may be desirable to turn this functionality off. Therefore, we also provide the ability to disable the data attribute API by unbinding all events on the body namespaced with `'data-api'`. This looks like this: {% highlight js linenos %} $('body').off('.data-api') {% endhighlight %}

Alternatively, to target a specific plugin, just include the plugin's name as a namespace along with the data-api namespace like this:

{% highlight js linenos %} $('body').off('.alert.data-api') {% endhighlight %}

Programmatic API

We also believe you should be able to use all Bootstrap plugins purely through the JavaScript API. All public APIs are single, chainable methods, and return the collection acted upon.

{% highlight js linenos %} $(".btn.danger").button("toggle").addClass("fat") {% endhighlight %}

All methods should accept an optional options object, a string which targets a particular method, or nothing (which initiates a plugin with default behavior):

{% highlight js linenos %} $("#myModal").modal() // initialized with defaults $("#myModal").modal({ keyboard: false }) // initialized with no keyboard $("#myModal").modal('show') // initializes and invokes show immediately

{% endhighlight %}

Each plugin also exposes its raw constructor on a `Constructor` property: $.fn.popover.Constructor. If you'd like to get a particular plugin instance, retrieve it directly from an element: $('[rel=popover]').data('popover').

No conflict

Sometimes it is necessary to use Bootstrap plugins with other UI frameworks. In these circumstances, namespace collisions can occasionally occur. If this happens, you may call .noConflict on the plugin you wish to revert the value of.

{% highlight js linenos %} var bootstrapButton = $.fn.button.noConflict() // return $.fn.button to previously assigned value $.fn.bootstrapBtn = bootstrapButton // give $().bootstrapBtn the bootstrap functionality {% endhighlight %}

Events

Bootstrap provides custom events for most plugin's unique actions. Generally, these come in an infinitive and past participle form - where the infinitive (ex. show) is triggered at the start of an event, and its past participle form (ex. shown) is trigger on the completion of an action.

All infinitive events provide preventDefault functionality. This provides the ability to stop the execution of an action before it starts.

{% highlight js linenos %} $('#myModal').on('show', function (e) { if (!data) return e.preventDefault() // stops modal from being shown }) {% endhighlight %}

About transitions

For simple transition effects, include bootstrap-transition.js once alongside the other JS files. If you're using the compiled (or minified) bootstrap.js, there is no need to include this—it's already there.

Use cases

A few examples of the transition plugin:

Sliding or fading in modals
Fading out tabs
Fading out alerts
Sliding carousel panes

Examples

Modals are streamlined, but flexible, dialog prompts with the minimum required functionality and smart defaults.

Static example

A rendered modal with header, body, and set of actions in the footer.

{% highlight html linenos %} {% endhighlight %}

Live demo

Toggle a modal via JavaScript by clicking the button below. It will slide down and fade in from the top of the page.

Launch demo modal

{% highlight html linenos %} {% endhighlight %}

Usage

Via data attributes

Activate a modal without writing JavaScript. Set data-toggle="modal" on a controller element, like a button, along with a data-target="#foo" or href="#foo" to target a specific modal to toggle.

{% highlight html linenos %} {% endhighlight %}

Via JavaScript

Call a modal with id myModal with a single line of JavaScript:

{% highlight js linenos %}$('#myModal').modal(options){% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-backdrop="".

Name	type	default	description
backdrop	boolean	true	Includes a modal-backdrop element. Alternatively, specify `static` for a backdrop which doesn't close the modal on click.
keyboard	boolean	true	Closes the modal when escape key is pressed
show	boolean	true	Shows the modal when initialized.
remote	path	false	If a remote url is provided, content will be loaded via jQuery's `load` method and injected into the `.modal-body`. If you're using the data api, you may alternatively use the `href` tag to specify the remote source. An example of this is shown below: {% highlight html linenos %} Click me {% endhighlight %}

Methods

.modal(options)

Activates your content as a modal. Accepts an optional options object.

{% highlight js linenos %} $('#myModal').modal({ keyboard: false }) {% endhighlight %}

.modal('toggle')

Manually toggles a modal.

{% highlight js linenos %}$('#myModal').modal('toggle'){% endhighlight %}

.modal('show')

Manually opens a modal.

{% highlight js linenos %}$('#myModal').modal('show'){% endhighlight %}

.modal('hide')

Manually hides a modal.

{% highlight js linenos %}$('#myModal').modal('hide'){% endhighlight %}

Events

Bootstrap's modal class exposes a few events for hooking into modal functionality.

Event	Description
show	This event fires immediately when the `show` instance method is called.
shown	This event is fired when the modal has been made visible to the user (will wait for css transitions to complete).
hide	This event is fired immediately when the `hide` instance method has been called.
hidden	This event is fired when the modal has finished being hidden from the user (will wait for css transitions to complete).

{% highlight js linenos %} $('#myModal').on('hidden', function () { // do something… }) {% endhighlight %}

Examples

Add dropdown menus to nearly anything with this simple plugin, including the navbar, tabs, and pills.

Within a navbar

Within tabs

Usage

Via data attributes

Add data-toggle="dropdown" to a link or button to toggle a dropdown.

{% highlight html linenos %} {% endhighlight %}

To keep URLs intact, use the data-target attribute instead of href="#".

{% highlight html linenos %} {% endhighlight %}

Via JavaScript

Call the dropdowns via JavaScript:

{% highlight js linenos %} $('.dropdown-toggle').dropdown() {% endhighlight %}

Options

None

Methods

$().dropdown('toggle')

A programmatic api for toggling menus for a given navbar or tabbed navigation.

Example in navbar

The ScrollSpy plugin is for automatically updating nav targets based on scroll position. Scroll the area below the navbar and watch the active class change. The dropdown sub items will be highlighted as well.

@fat

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@mdo

Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard. Freegan beard aliqua cupidatat mcsweeney's vero. Cupidatat four loko nisi, ea helvetica nulla carles. Tattooed cosby sweater food truck, mcsweeney's quis non freegan vinyl. Lo-fi wes anderson +1 sartorial. Carles non aesthetic exercitation quis gentrify. Brooklyn adipisicing craft beer vice keytar deserunt.

one

Occaecat commodo aliqua delectus. Fap craft beer deserunt skateboard ea. Lomo bicycle rights adipisicing banh mi, velit ea sunt next level locavore single-origin coffee in magna veniam. High life id vinyl, echo park consequat quis aliquip banh mi pitchfork. Vero VHS est adipisicing. Consectetur nisi DIY minim messenger bag. Cred ex in, sustainable delectus consectetur fanny pack iphone.

two

In incididunt echo park, officia deserunt mcsweeney's proident master cleanse thundercats sapiente veniam. Excepteur VHS elit, proident shoreditch +1 biodiesel laborum craft beer. Single-origin coffee wayfarers irure four loko, cupidatat terry richardson master cleanse. Assumenda you probably haven't heard of them art party fanny pack, tattooed nulla cardigan tempor ad. Proident wolf nesciunt sartorial keffiyeh eu banh mi sustainable. Elit wolf voluptate, lo-fi ea portland before they sold out four loko. Locavore enim nostrud mlkshk brooklyn nesciunt.

three

Keytar twee blog, culpa messenger bag marfa whatever delectus food truck. Sapiente synth id assumenda. Locavore sed helvetica cliche irony, thundercats you probably haven't heard of them consequat hoodie gluten-free lo-fi fap aliquip. Labore elit placeat before they sold out, terry richardson proident brunch nesciunt quis cosby sweater pariatur keffiyeh ut helvetica artisan. Cardigan craft beer seitan readymade velit. VHS chambray laboris tempor veniam. Anim mollit minim commodo ullamco thundercats.

Usage

Via data attributes

To easily add scrollspy behavior to your topbar navigation, just add data-spy="scroll" to the element you want to spy on (most typically this would be the body) and data-target=".navbar" to select which nav to use. You'll want to use scrollspy with a .nav component.

{% highlight html linenos %} ... {% endhighlight %}

Via JavaScript

Call the scrollspy via JavaScript:

{% highlight js linenos %} $('.navbar').scrollspy() {% endhighlight %}

Heads up! Navbar links must have resolvable id targets. For example, a <a href="#home">home</a> must correspond to something in the dom like <div id="home"></div>.

Methods

.scrollspy('refresh')

When using scrollspy in conjunction with adding or removing of elements from the DOM, you'll need to call the refresh method like so:

{% highlight js linenos %} $('[data-spy="scroll"]').each(function () { var $spy = $(this).scrollspy('refresh') }); {% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-offset="".

Name	type	default	description
offset	number	10	Pixels to offset from top when calculating position of scroll.

Events

Event	Description
activate	This event fires whenever a new item becomes activated by the scrollspy.

Example tabs

Add quick, dynamic tab functionality to transition through panes of local content, even via dropdown menus.

Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.

Food truck fixie locavore, accusamus mcsweeney's marfa nulla single-origin coffee squid. Exercitation +1 labore velit, blog sartorial PBR leggings next level wes anderson artisan four loko farm-to-table craft beer twee. Qui photo booth letterpress, commodo enim craft beer mlkshk aliquip jean shorts ullamco ad vinyl cillum PBR. Homo nostrud organic, assumenda labore aesthetic magna delectus mollit. Keytar helvetica VHS salvia yr, vero magna velit sapiente labore stumptown. Vegan fanny pack odio cillum wes anderson 8-bit, sustainable jean shorts beard ut DIY ethical culpa terry richardson biodiesel. Art party scenester stumptown, tumblr butcher vero sint qui sapiente accusamus tattooed echo park.

Etsy mixtape wayfarers, ethical wes anderson tofu before they sold out mcsweeney's organic lomo retro fanny pack lo-fi farm-to-table readymade. Messenger bag gentrify pitchfork tattooed craft beer, iphone skateboard locavore carles etsy salvia banksy hoodie helvetica. DIY synth PBR banksy irony. Leggings gentrify squid 8-bit cred pitchfork. Williamsburg banh mi whatever gluten-free, carles pitchfork biodiesel fixie etsy retro mlkshk vice blog. Scenester cred you probably haven't heard of them, vinyl craft beer blog stumptown. Pitchfork sustainable tofu synth chambray yr.

Trust fund seitan letterpress, keytar raw denim keffiyeh etsy art party before they sold out master cleanse gluten-free squid scenester freegan cosby sweater. Fanny pack portland seitan DIY, art party locavore wolf cliche high life echo park Austin. Cred vinyl keffiyeh DIY salvia PBR, banh mi before they sold out farm-to-table VHS viral locavore cosby sweater. Lomo wolf viral, mustache readymade thundercats keffiyeh craft beer marfa ethical. Wolf salvia freegan, sartorial keffiyeh echo park vegan.

Usage

Enable tabbable tabs via JavaScript (each tab needs to be activated individually):

{% highlight js linenos %} $('#myTab a').click(function (e) { e.preventDefault(); $(this).tab('show'); }) {% endhighlight %}

You can activate individual tabs in several ways:

{% highlight js linenos %} $('#myTab a[href="#profile"]').tab('show'); // Select tab by name $('#myTab a:first').tab('show'); // Select first tab $('#myTab a:last').tab('show'); // Select last tab $('#myTab li:eq(2) a').tab('show'); // Select third tab (0-indexed) {% endhighlight %}

Markup

You can activate a tab or pill navigation without writing any JavaScript by simply specifying data-toggle="tab" or data-toggle="pill" on an element. Adding the nav and nav-tabs classes to the tab ul will apply the Bootstrap tab styling.

{% highlight html linenos %}

{% endhighlight %}

To make tabs fade in, add .fade to each .tab-pane.

Methods

$().tab

Activates a tab element and content container. Tab should have either a data-target or an href targeting a container node in the DOM.

{% highlight html linenos %}

...

{% endhighlight %}

Events

Event	Description
show	This event fires on tab show, but before the new tab has been shown. Use `event.target` and `event.relatedTarget` to target the active tab and the previous active tab (if available) respectively.
shown	This event fires on tab show after a tab has been shown. Use `event.target` and `event.relatedTarget` to target the active tab and the previous active tab (if available) respectively.

{% highlight js linenos %} $('a[data-toggle="tab"]').on('shown', function (e) { e.target // activated tab e.relatedTarget // previous tab }) {% endhighlight %}

Examples

Inspired by the excellent jQuery.tipsy plugin written by Jason Frame; Tooltips are an updated version, which don't rely on images, use CSS3 for animations, and data-attributes for local title storage.

Hover over the links below to see tooltips:

Four directions

Tooltips in input groups

When using tooltips and popovers with the Bootstrap input groups, you'll have to set the container (documented below) option to avoid unwanted side effects.

Usage

Trigger the tooltip via JavaScript:

{% highlight js linenos %} $('#example').tooltip(options) {% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-animation="".

Name	type	default	description
animation	boolean	true	apply a css fade transition to the tooltip
html	boolean	false	Insert html into the tooltip. If false, jquery's `text` method will be used to insert content into the dom. Use text if you're worried about XSS attacks.
placement	string \| function	'top'	how to position the tooltip - top \| bottom \| left \| right
selector	string	false	If a selector is provided, tooltip objects will be delegated to the specified targets.
title	string \| function	''	default title value if `title` tag isn't present
trigger	string	'hover focus'	how tooltip is triggered - click \| hover \| focus \| manual. Note you case pass trigger multiple, space seperated, trigger types.
delay	number \| object	0	delay showing and hiding the tooltip (ms) - does not apply to manual trigger type If a number is supplied, delay is applied to both hide/show Object structure is: `delay: { show: 500, hide: 100 }`
container	string \| false	false	Appends the tooltip to a specific element `container: 'body'`

Heads up! Options for individual tooltips can alternatively be specified through the use of data attributes.

Markup

{% highlight html linenos %} Hover over me {% endhighlight %}

Methods

$().tooltip(options)

Attaches a tooltip handler to an element collection.

.tooltip('show')

Reveals an element's tooltip.

{% highlight js linenos %}$('#element').tooltip('show'){% endhighlight %}

.tooltip('hide')

Hides an element's tooltip.

{% highlight js linenos %}$('#element').tooltip('hide'){% endhighlight %}

.tooltip('toggle')

Toggles an element's tooltip.

{% highlight js linenos %}$('#element').tooltip('toggle'){% endhighlight %}

.tooltip('destroy')

Hides and destroys an element's tooltip.

{% highlight js linenos %}$('#element').tooltip('destroy'){% endhighlight %}

Examples

Add small overlays of content, like those on the iPad, to any element for housing secondary information. Hover over the button to trigger the popover. Requires Tooltip to be included.

Static popover

Four options are available: top, right, bottom, and left aligned.

No markup shown as popovers are generated from JavaScript and content within a data attribute.

Live demo

Click to toggle popover

Four directions

Usage

Enable popovers via JavaScript:

{% highlight js linenos %}$('#example').popover(options){% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-animation="".

Name	type	default	description
animation	boolean	true	apply a css fade transition to the tooltip
html	boolean	false	Insert html into the popover. If false, jquery's `text` method will be used to insert content into the dom. Use text if you're worried about XSS attacks.
placement	string \| function	'right'	how to position the popover - top \| bottom \| left \| right
selector	string	false	if a selector is provided, tooltip objects will be delegated to the specified targets
trigger	string	'click'	how popover is triggered - click \| hover \| focus \| manual
title	string \| function	''	default title value if `title` attribute isn't present
content	string \| function	''	default content value if `data-content` attribute isn't present
delay	number \| object	0	delay showing and hiding the popover (ms) - does not apply to manual trigger type If a number is supplied, delay is applied to both hide/show Object structure is: `delay: { show: 500, hide: 100 }`
container	string \| false	false	Appends the popover to a specific element `container: 'body'`

Heads up! Options for individual popovers can alternatively be specified through the use of data attributes.

Markup

For performance reasons, the Tooltip and Popover data-apis are opt in. If you would like to use them just specify a selector option.

Methods

$().popover(options)

Initializes popovers for an element collection.

.popover('show')

Reveals an elements popover.

{% highlight js linenos %}$('#element').popover('show'){% endhighlight %}

.popover('hide')

Hides an elements popover.

{% highlight js linenos %}$('#element').popover('hide'){% endhighlight %}

.popover('toggle')

Toggles an elements popover.

{% highlight js linenos %}$('#element').popover('toggle'){% endhighlight %}

.popover('destroy')

Hides and destroys an element's popover.

{% highlight js linenos %}$('#element').popover('destroy'){% endhighlight %}

Example alerts

Add dismiss functionality to all alert messages with this plugin.

Holy guacamole! Best check yo self, you're not looking too good.

Oh snap! You got an error!

Change this and that and try again. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Cras mattis consectetur purus sit amet fermentum.

Take this action Or do this

Usage

Enable dismissal of an alert via JavaScript:

{% highlight js linenos %}$(".alert").alert(){% endhighlight %}

Markup

Just add data-dismiss="alert" to your close button to automatically give an alert close functionality.

{% highlight html linenos %}×{% endhighlight %}

Methods

$().alert()

Wraps all alerts with close functionality. To have your alerts animate out when closed, make sure they have the .fade and .in class already applied to them.

.alert('close')

Closes an alert.

{% highlight js linenos %}$(".alert").alert('close'){% endhighlight %}

Events

Bootstrap's alert class exposes a few events for hooking into alert functionality.

Event	Description
close	This event fires immediately when the `close` instance method is called.
closed	This event is fired when the alert has been closed (will wait for css transitions to complete).

{% highlight js linenos %} $('#my-alert').bind('closed', function () { // do something… }) {% endhighlight %}

About

Get base styles and flexible support for collapsible components like accordions and navigation.

* Requires the Transitions plugin to be included.

Example accordion

Using the collapse plugin, we built a simple accordion style widget:

Collapsible Group Item #1

Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.

Collapsible Group Item #2

Collapsible Group Item #3

{% highlight html linenos %}

Collapsible Group Item #1

...

Collapsible Group Item #2

...

Collapsible Group Item #3

...

{% endhighlight %}

You can also use the plugin without the accordion markup. Make a button toggle the expanding and collapsing of another element.

{% highlight html linenos %}

...

{% endhighlight %}

Usage

Via data attributes

Just add data-toggle="collapse" and a data-target to element to automatically assign control of a collapsible element. The data-target attribute accepts a css selector to apply the collapse to. Be sure to add the class collapse to the collapsible element. If you'd like it to default open, add the additional class in.

To add accordion-like group management to a collapsible control, add the data attribute data-parent="#selector". Refer to the demo to see this in action.

Via JavaScript

Enable manually with:

{% highlight js linenos %} $(".collapse").collapse() {% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-parent="".

Name	type	default	description
parent	selector	false	If selector then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion behavior)
toggle	boolean	true	Toggles the collapsible element on invocation

Methods

.collapse(options)

Activates your content as a collapsible element. Accepts an optional options object. {% highlight js linenos %} $('#myCollapsible').collapse({ toggle: false }) {% endhighlight %}

.collapse('toggle')

Toggles a collapsible element to shown or hidden.

.collapse('show')

Shows a collapsible element.

.collapse('hide')

Hides a collapsible element.

Events

Bootstrap's collapse class exposes a few events for hooking into collapse functionality.

Event	Description
show	This event fires immediately when the `show` instance method is called.
shown	This event is fired when a collapse element has been made visible to the user (will wait for css transitions to complete).
hide	This event is fired immediately when the `hide` method has been called.
hidden	This event is fired when a collapse element has been hidden from the user (will wait for css transitions to complete).

{% highlight js linenos %} $('#myCollapsible').on('hidden', function () { // do something… }) {% endhighlight %}

Examples

The slideshow below shows a generic plugin and component for cycling through elements like a carousel.

{% highlight html linenos %}

...

{% endhighlight %}

Optional captions

Add captions to your slides easily with the .carousel-caption element within any .item. Place just about any optional HTML within there and it will be automatically aligned and formatted.

Captions are hidden in mobile views and shown with viewports greater than 768px wide.

First slide label

Nulla vitae elit libero, a pharetra augue. Maecenas faucibus mollis interdum. Cum sociis natoque penatibus et magnis dis parturient montes.

Second slide label

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean lacinia bibendum nulla sed consectetur. Nullam quis risus eget urna mollis ornare.

Third slide label

Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Integer posuere erat a ante venenatis dapibus posuere velit aliquet.

{% highlight html linenos %}

...

{% endhighlight %}

Usage

Via data attributes

Use data attributes to easily control the position of the carousel. data-slide accepts the keywords prev or next, which alters the slide position relative to its current position. Alternatively, use data-slide-to to pass a raw slide index to the carousel data-slide-to="2", which shifts the slide position to a particular index beginning with 0.

Via JavaScript

Call carousel manually with:

{% highlight js linenos %} $('.carousel').carousel() {% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-interval="".

Name	type	default	description
interval	number	5000	The amount of time to delay between automatically cycling an item. If false, carousel will not automatically cycle.
pause	string	"hover"	Pauses the cycling of the carousel on mouseenter and resumes the cycling of the carousel on mouseleave.

Methods

.carousel(options)

Initializes the carousel with an optional options object and starts cycling through items.

{% highlight html linenos %} $('.carousel').carousel({ interval: 2000 }) {% endhighlight %}

.carousel('cycle')

Cycles through the carousel items from left to right.

.carousel('pause')

Stops the carousel from cycling through items.

.carousel(number)

Cycles the carousel to a particular frame (0 based, similar to an array).

.carousel('prev')

Cycles to the previous item.

.carousel('next')

Cycles to the next item.

Events

Bootstrap's carousel class exposes two events for hooking into carousel functionality.

Event	Description
slide	This event fires immediately when the `slide` instance method is invoked.
slid	This event is fired when the carousel has completed its slide transition.

Example

A basic, easily extended plugin for quickly creating elegant typeaheads with any form text input.

{% highlight html linenos %} {% endhighlight %}

You'll want to set autocomplete="off" to prevent default browser menus from appearing over the Bootstrap typeahead dropdown.

Usage

Via data attributes

Add data attributes to register an element with typeahead functionality as shown in the example above.

Via JavaScript

Call the typeahead manually with:

{% highlight js linenos %} $('.typeahead').typeahead() {% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-source="".

Name	type	default	description
source	array, function	[ ]	The data source to query against. May be an array of strings or a function. The function is passed two arguments, the `query` value in the input field and the `process` callback. The function may be used synchronously by returning the data source directly or asynchronously via the `process` callback's single argument.
items	number	8	The max number of items to display in the dropdown.
minLength	number	1	The minimum character length needed before triggering autocomplete suggestions
matcher	function	case insensitive	The method used to determine if a query matches an item. Accepts a single argument, the `item` against which to test the query. Access the current query with `this.query`. Return a boolean `true` if query is a match.
sorter	function	exact match, case sensitive, case insensitive	Method used to sort autocomplete results. Accepts a single argument `items` and has the scope of the typeahead instance. Reference the current query with `this.query`.
updater	function	returns selected item	The method used to return selected item. Accepts a single argument, the `item` and has the scope of the typeahead instance.
highlighter	function	highlights all default matches	Method used to highlight autocomplete results. Accepts a single argument `item` and has the scope of the typeahead instance. Should return html.

Methods

.typeahead(options)

Initializes an input with a typeahead.

Example

The subnavigation on the left is a live demo of the affix plugin.

Usage

Via data attributes

To easily add affix behavior to any element, just add data-spy="affix" to the element you want to spy on. Then use offsets to define when to toggle the pinning of an element on and off.

{% highlight html linenos %}

...

{% endhighlight %}

Heads up! You must manage the position of a pinned element and the behavior of its immediate parent. Position is controlled by affix, affix-top, and affix-bottom. Remember to check for a potentially collapsed parent when the affix kicks in as it's removing content from the normal flow of the page.

Via JavaScript

Call the affix plugin via JavaScript:

{% highlight js linenos %} $('#navbar').affix() {% endhighlight %}

Methods

.affix('refresh')

When using affix in conjunction with adding or removing of elements from the DOM, you'll want to call the refresh method:

{% highlight js linenos %} $('[data-spy="affix"]').each(function () { $(this).affix('refresh') }); {% endhighlight %}

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-offset-top="200".

Name	type	default	description
offset	number \| function \| object	10	Pixels to offset from screen when calculating position of scroll. If a single number is provided, the offset will be applied in both top and left directions. To listen for a single direction, or multiple unique offsets, just provide an object `offset: { x: 10 }`. Use a function when you need to dynamically provide an offset (useful for some responsive designs).

Welcome

Getting started

Compiled CSS and JS

Latest source code

Clone or fork via GitHub

Bower

What's included

Templates and examples

HTML template

Hello, world!

Examples

Starter template

Basic grid layouts

Basic marketing site

Narrow marketing

Justified nav

Sign in

Sticky footer

Sticky footer w/ navbar

Carousel jumbotron

Navbar

Static top navbar

Fixed top navbar

Customizing Bootstrap

Customizing components

Removing potential bloat

CSS

Overview

HTML5 doctype required

Mobile first

Responsive images

Typography and links

Normalize reset

Grid system

Grid example

Offsetting columns

Nesting columns

Column ordering

LESS mixins and variables

Variables

Mixins

Example usage

Typography

Headings

Bootstrap heading

Bootstrap heading

Bootstrap heading

Bootstrap heading

Bootstrap heading

Bootstrap heading

...

...

...

...

...

...

Body copy

Lead body copy

Built with Less

Emphasis

Small text

Bold

Italics

Alignment classes

Emphasis classes

Abbreviations

Basic abbreviation

Initialism

Addresses

Blockquotes

Default blockquote

Blockquote options

Naming a source

Alternate displays

Lists

Unordered

Ordered

Unstyled

Inline

Description