Button class="" Description
btn Standard gray button with gradient
btn btn-primary Provides extra visual weight and identifies the primary action in a set of buttons
btn btn-info Used as an alternate to the default styles
btn btn-success Indicates a successful or positive action
btn btn-warning Indicates caution should be taken with this action
btn btn-danger Indicates a dangerous or potentially negative action
btn btn-inverse Alternate dark gray button, not tied to a semantic action or use

甘肃省祥全瑞有限公司

As a convention, buttons should only be used for actions while hyperlinks are to be used for objects. For instance, "Download" should be a button while "recent activity" should be a link.

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.

萍乡皇润晶贸易有限公司

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.

秦皇岛浩利久机械有限公司

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


临沂高信圣有限公司

For disabled buttons, add the .disabled class to links and the disabled attribute for <button> elements.

Primary link Link

Heads up! We use .disabled as a utility class here, similar to the common .active class, so no prefix is required.

石狮恒多润服务有限公司

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

Link
<a class="btn" href="">Link</a>
<button class="btn" type="submit">
  Button
</button>
<input class="btn" type="button"
         value="Input">
<input class="btn" type="submit"
         value="Submit">

As a best practice, try to match the element for you context to ensure matching cross-browser rendering. If you have an input, use an <input type="submit"> for your button.

  • icon-glass
  • icon-music
  • icon-search
  • icon-envelope
  • icon-heart
  • icon-star
  • icon-star-empty
  • icon-user
  • icon-film
  • icon-th-large
  • icon-th
  • icon-th-list
  • icon-ok
  • icon-remove
  • icon-zoom-in
  • icon-zoom-out
  • icon-off
  • icon-signal
  • icon-cog
  • icon-trash
  • icon-home
  • icon-file
  • icon-time
  • icon-road
  • icon-download-alt
  • icon-download
  • icon-upload
  • icon-inbox
  • icon-play-circle
  • icon-repeat
  • icon-refresh
  • icon-list-alt
  • icon-lock
  • icon-flag
  • icon-headphones
  • icon-volume-off
  • icon-volume-down
  • icon-volume-up
  • icon-qrcode
  • icon-barcode
  • icon-tag
  • icon-tags
  • icon-book
  • icon-bookmark
  • icon-print
  • icon-camera
  • icon-font
  • icon-bold
  • icon-italic
  • icon-text-height
  • icon-text-width
  • icon-align-left
  • icon-align-center
  • icon-align-right
  • icon-align-justify
  • icon-list
  • icon-indent-left
  • icon-indent-right
  • icon-facetime-video
  • icon-picture
  • icon-pencil
  • icon-map-marker
  • icon-adjust
  • icon-tint
  • icon-edit
  • icon-share
  • icon-check
  • icon-move
  • icon-step-backward
  • icon-fast-backward
  • icon-backward
  • icon-play
  • icon-pause
  • icon-stop
  • icon-forward
  • icon-fast-forward
  • icon-step-forward
  • icon-eject
  • icon-chevron-left
  • icon-chevron-right
  • icon-plus-sign
  • icon-minus-sign
  • icon-remove-sign
  • icon-ok-sign
  • icon-question-sign
  • icon-info-sign
  • icon-screenshot
  • icon-remove-circle
  • icon-ok-circle
  • icon-ban-circle
  • icon-arrow-left
  • icon-arrow-right
  • icon-arrow-up
  • icon-arrow-down
  • icon-share-alt
  • icon-resize-full
  • icon-resize-small
  • icon-plus
  • icon-minus
  • icon-asterisk
  • icon-exclamation-sign
  • icon-gift
  • icon-leaf
  • icon-fire
  • icon-eye-open
  • icon-eye-close
  • icon-warning-sign
  • icon-plane
  • icon-calendar
  • icon-random
  • icon-comment
  • icon-magnet
  • icon-chevron-up
  • icon-chevron-down
  • icon-retweet
  • icon-shopping-cart
  • icon-folder-close
  • icon-folder-open
  • icon-resize-vertical
  • icon-resize-horizontal

六安浩利久服务有限公司

Instead of making every icon an extra request, we've compiled them into a sprite—a bunch of images in one file that uses CSS to position the images with background-position. This is the same method we use on Twitter.com and it has worked well for us.

All icons classes are prefixed with .icon- for proper namespacing and scoping, much like our other components. This will help avoid conflicts with other tools.

Glyphicons has granted us use of the Halflings set in our open-source toolkit so long as we provide a link and credit here in the docs. Please consider doing the same in your projects.

长治荣裕生机械有限公司

Bootstrap uses an <i> tag for all icons, but they have no case class—only a shared prefix. To use, place the following code just about anywhere:

<i class="icon-search"></i>

There are also styles available for inverted (white) icons, made ready with one extra class:

<i class="icon-search icon-white"></i>

There are 120 classes to choose from for your icons. Just add an <i> tag with the right classes and you're set. You can find the full list in sprites.less or right here in this document.

Heads up! When using beside strings of text, as in buttons or nav links, be sure to leave a space after the <i> tag for proper spacing.

运城长聚祥贸易有限公司

Icons are great, but where would one use them? Here are a few ideas:

  • As visuals for your sidebar navigation
  • For a purely icon-driven navigation
  • For buttons to help convey the meaning of an action
  • With links to share context on a user's destination

Essentially, anywhere you can put an <i> tag, you can put an icon.

邢台厚宏裕贸易有限公司

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

银川长兴泰机械有限公司

The best part about forms in Bootstrap is that all your inputs and controls look great no matter how you build them in your markup. No superfluous HTML is required, but we provide the patterns for those who require it.

More complicated layouts come with succinct and scalable classes for easy styling and event binding, so you're covered at every step.

宜兴圣万本机械有限公司

Bootstrap comes with support for four types of form layouts:

  • Vertical (default)
  • Search
  • Inline
  • Horizontal

Different types of form layouts require some changes to markup, but the controls themselves remain and behave the same.

集宁伟春公商贸有限公司

Bootstrap's forms include styles for all the base form controls like input, textarea, and select you'd expect. But it also comes with a number of custom components like appended and prepended inputs and support for lists of checkboxes.

States like error, warning, and success are included for each type of form control. Also included are styles for disabled controls.

南通富旺万机械有限公司

Bootstrap provides simple markup and styles for four styles of common web forms.

Name Class Description
Vertical (default) .form-vertical (not required) Stacked, left-aligned labels over controls
Inline .form-inline Left-aligned label and inline-block controls for compact style
Search .form-search Extra-rounded text input for a typical search aesthetic
Horizontal .form-horizontal Float left, right-aligned labels on same line as controls

Example forms using just form controls, no extra markup山东省益中泰设备有限公司

临夏成盛弘有限公司

With v2.0, we have lighter and smarter defaults for form styles. No extra markup, just form controls.

Associated help text!

Example block-level help text here.

<form class="well">
  <label>Label name</label>
  <input type="text" class="span3" placeholder="Type something">
  <span class="help-inline">Associated help text!</span>
  <label class="checkbox">
    <input type="checkbox"> Check me out
  </label>
  <button type="submit" class="btn">Submit</button>
</form>

牙克石久贵长机械有限公司

Reflecting default WebKit styles, just add .form-search for extra rounded search fields.

<form class="well form-search">
  <input type="text" class="input-medium search-query">
  <button type="submit" class="btn">Search</button>
</form>

平凉耀洪进机械有限公司

Inputs are block level to start. For .form-inline and .form-horizontal, we use inline-block.

<form class="well form-inline">
  <input type="text" class="input-small" placeholder="Email">
  <input type="password" class="input-small" placeholder="Password">
  <label class="checkbox">
    <input type="checkbox"> Remember me
  </label>
  <button type="submit" class="btn">Sign in</button>
</form>

渭南光顺千服务有限公司

Controls Bootstrap supports

In addition to freeform text, any HTML5 text-based input appears like so.

白城安茂元设备有限公司

Given the above example form layout, here's the markup associated with the first input and control group. The .control-group, .control-label, and .controls classes are all required for styling.

<form class="form-horizontal">
  <fieldset>
    <legend>Legend text</legend>
    <div class="control-group">
      <label class="control-label" for="input01">Text input</label>
      <div class="controls">
        <input type="text" class="input-xlarge" id="input01">
        <p class="help-block">Supporting help text</p>
      </div>
    </div>
  </fieldset>
</form>

吐鲁番和益正商贸有限公司

Shown on the left are all the default form controls we support. Here's the bulleted list:

  • text inputs (text, password, email, etc)
  • checkbox
  • radio
  • select
  • multiple select
  • file input
  • textarea

洪湖飞本千机械有限公司

Up to v1.4, Bootstrap's default form styles used the horizontal layout. With Bootstrap 2, we removed that constraint to have smarter, more scalable defaults for any form.


Form control states
Some value here
Something may have gone wrong
Please correct the error
Woohoo!
Woohoo!

景洪永裕弘机械有限公司

Bootstrap features styles for browser-supported focused and disabled states. We remove the default Webkit outline and apply a box-shadow in its place for :focus.


昭通顺泰高机械有限公司

It also includes validation styles for errors, warnings, and success. To use, add the error class to the surrounding .control-group.

<fieldset
  class="control-group error">
  
</fieldset>

Extending form controls

Use the same .span* classes from the grid system for input sizes.

You may also use static classes that don't map to the grid, adapt to the responsive CSS styles, or account for varying types of controls (e.g., input vs. select).

@

Here's some help text

.00
Here's more help text
$.00

Note: Labels surround all the options for much larger click areas and a more usable form.

四平寿宏瑞商贸有限公司

Input groups—with appended or prepended text—provide an easy way to give more context for your inputs. Great examples include the @ sign for Twitter usernames or $ for finances.


景洪本贵丰有限公司

Up to v1.4, Bootstrap required extra markup around checkboxes and radios to stack them. Now, it's a simple matter of repeating the <label class="checkbox"> that wraps the <input type="checkbox">.

Inline checkboxes and radios are also supported. Just add .inline to any .checkbox or .radio and you're done.


临夏高信圣机械有限公司

To use prepend or append inputs in an inline form, be sure to place the .add-on and input on the same line, without spaces.


秦皇岛荣荣茂有限公司

To add help text for your form inputs, include inline help text with <span class="help-inline"> or a help text block with <p class="help-block"> after the input element.

耒阳德利国服务有限公司

Wrap inline snippets of code with <code>.

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

梧州大旺本有限公司

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>
<pre>
  &lt;p&gt;Sample text here...&lt;/p&gt;
</pre>

Note: Be sure to keep code within <pre> tags as close to the left as possible; it will render all tabs.

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

钦州春亚盛设备有限公司

Take the same <pre> element and add two optional classes for enhanced rendering.

<p>Sample text here...</p>
<pre class="prettyprint
     linenums">
  &lt;p&gt;Sample text here...&lt;/p&gt;
</pre>

Download google-code-prettify and view the readme for how to use.

扎兰屯德协荣有限公司

Use button groups to join multiple buttons together as one composite component. Build them with a series of <a> or <button> elements.

保定金中飞机械有限公司

We recommend the following guidelines for using button groups and toolbars:

  • Always use the same element in a single button group, <a> or <button>.
  • Don't mix buttons of different colors in the same button group.
  • Use icons in addition to or instead of text, but be sure include alt and title text where appropriate.

Related Button groups with dropdowns (see below) should be called out separately and always include a dropdown caret to indicate intended behavior.

白银正裕伟有限公司

Here's how the HTML looks for a standard button group built with anchor tag buttons:

<div class="btn-group">
  <button class="btn">1</button>
  <button class="btn">2</button>
  <button class="btn">3</button>
</div>

涿州美欣欣设备有限公司

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

<div class="btn-toolbar">
  <div class="btn-group">
    ...
  </div>
</div>

合肥本顺如机械有限公司

Button groups can also function as radios, where only one button may be active, or checkboxes, where any number of buttons may be active. View the Javascript docs for that.

Get the javascript »

黄山益中泰科技有限公司

Heads up! Buttons with dropdowns must be individually wrapped in their own .btn-group within a .btn-toolbar for proper rendering.

文山厚厚进服务有限公司

日照干本洪设备有限公司

Similar to a button group, our markup uses regular button markup, but with a handful of additions to refine the style and support Bootstrap's dropdown jQuery plugin.

<div class="btn-group">
  <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
    Action
    <span class="caret"></span>
  </a>
  <ul class="dropdown-menu">
    <!-- dropdown menu links -->
  </ul>
</div>

新泰凯发亨商贸有限公司

Button dropdowns work at any size. your button sizes to .btn-large, .btn-small, or .btn-mini.

邯郸盈元佳机械有限公司

Button dropdowns require the Bootstrap dropdown plugin to function.

In some cases—like mobile—dropdown menus will extend outside the viewport. You need to resolve the alignment manually or with custom javascript.


无锡汇隆永设备有限公司

长海聚贵圣设备有限公司

Building on the button group styles and markup, we can easily create a split button. Split buttons feature a standard action on the left and a dropdown toggle on the right with contextual links.

辽源永元利贸易有限公司

Utilize the extra button classe .btn-mini, .btn-small, or .btn-large for sizing.

<div class="btn-group">
  ...
  <ul class="dropdown-menu pull-right">
    <!-- dropdown menu links -->
  </ul>
</div>

南京荣瑞皇商贸有限公司

We expand on the normal button dropdowns to provide a second button action that operates as a separate dropdown trigger.

<div class="btn-group">
  <button class="btn">Action</button>
  <button class="btn dropdown-toggle" data-toggle="dropdown">
    <span class="caret"></span>
  </button>
  <ul class="dropdown-menu">
    <!-- dropdown menu links -->
  </ul>
</div>

萧山如寿正科技有限公司

Dropdown menus can also be toggled from the bottom up by adding a single class to the immediate parent of .dropdown-menu. It will flip the direction of the .caret and reposition the menu itself to move from the bottom up instead of top down.

<div class="btn-group dropup">
  <button class="btn">Dropup</button>
  <button class="btn dropdown-toggle" data-toggle="dropdown">
    <span class="caret"></span>
  </button>
  <ul class="dropdown-menu">
    <!-- dropdown menu links -->
  </ul>
</div>

长海伟皇裕机械有限公司

安顺和正兴服务有限公司

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

新泰庆佳合有限公司

Links are customizable and work in a number of circumstances with the right class. .disabled for unclickable links and .active for current page.

中甸仁鼎德服务有限公司

Add either of two optional classes to change the alignment of pagination links: .pagination-centered and .pagination-right.

潍坊鼎盛和机械有限公司

The default pagination component is flexible and works in a number of variations.

福建省茂发复机械有限公司

Wrapped in a <div>, pagination is just a <ul>.

<div class="pagination">
  <ul>
    <li><a href="#">Prev</a></li>
    <li class="active">
      <a href="#">1</a>
    </li>
    <li><a href="#">2</a></li>
    <li><a href="#">3</a></li>
    <li><a href="#">4</a></li>
    <li><a href="#">Next</a></li>
  </ul>
</div>

Pager For quick previous and next links嘉兴盈益富设备有限公司

唐山同满佳有限公司

The pager component is a set of links for simple pagination implementations with light markup and even lighter styles. It's great for simple sites like blogs or magazines.

常熟汇汇生设备有限公司

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

连云港永凯荣机械有限公司

By default, the pager centers links.

<ul class="pager">
  <li>
    <a href="#">Previous</a>
  </li>
  <li>
    <a href="#">Next</a>
  </li>
</ul>

临清康春凯机械有限公司

Alternatively, you can align each link to the sides:

<ul class="pager">
  <li class="previous">
    <a href="#">&larr; Older</a>
  </li>
  <li class="next">
    <a href="#">Newer &rarr;</a>
  </li>
</ul>
Labels Markup
Default <span class="label">Default</span>
Success <span class="label label-success">Success</span>
Warning <span class="label label-warning">Warning</span>
Important <span class="label label-important">Important</span>
Info <span class="label label-info">Info</span>
Inverse <span class="label label-inverse">Inverse</span>

吴忠万宏利科技有限公司

Badges are small, simple components for displaying an indicator or count of some sort. They're commonly found in email clients like Mail.app or on mobile apps for push notifications.

泰州福东飞机械有限公司

Name Example Markup
Default 1 <span class="badge">1</span>
Success 2 <span class="badge badge-success">2</span>
Warning 4 <span class="badge badge-warning">4</span>
Error 6 <span class="badge badge-error">6</span>
Info 8 <span class="badge badge-info">8</span>
Inverse 10 <span class="badge badge-inverse">10</span>

东台兴亚伟贸易有限公司

南宫安茂元商贸有限公司

With Bootstrap 2, we've simplified the base class: .alert instead of .alert-message. We've also reduced the minimum required markup—no <p> is required by default, just the outer <div>.

湖州耀东春机械有限公司

For a more durable component with less code, we've removed the differentiating look for block alerts, messages that come with more padding and typically more text. The class also has changed to .alert-block.


云南省浩利久科技有限公司

Bootstrap comes with a great jQuery plugin that supports alert messages, making dismissing them quick and easy.

Get the plugin »

林芝多正巨服务有限公司

Wrap your message and an optional close icon in a div with simple class.

× Warning! Best check yo self, you're not looking too good.
<div class="alert">
  <a class="close" data-dismiss="alert">×</a>
  <strong>Warning!</strong> Best check yo self, you're not looking too good.
</div>

Easily extend the standard alert message with two optional classes: .alert-block for more padding and text controls and .alert-heading for a matching heading.

×

福建省干瑞同设备有限公司

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.

<div class="alert alert-block">
  <a class="close" data-dismiss="alert">×</a>
  <h4 class="alert-heading">Warning!</h4>
  Best check yo self, you're not...
</div>

Contextual alternatives Add optional classes to change an alert's connotation中甸公佳泰设备有限公司

辽宁省盈益富有限公司

× Oh snap! Change a few things up and try submitting again.
<div class="alert alert-error">
  ...
</div>

聊城本顺如商贸有限公司

× Well done! You successfully read this important alert message.
<div class="alert alert-success">
  ...
</div>

安康金中飞设备有限公司

× Heads up! This alert needs your attention, but it's not super important.
<div class="alert alert-info">
  ...
</div>

湖州旺福飞贸易有限公司

贵州省满浩光机械有限公司

Default progress bar with a vertical gradient.

<div class="progress">
  <div class="bar"
       style="width: 60%;"></div>
</div>

酒泉宏贵丰有限公司

Uses a gradient to create a striped effect (no IE).

<div class="progress progress-striped">
  <div class="bar"
       style="width: 20%;"></div>
</div>

个旧合广康设备有限公司

Takes the striped example and animates it (no IE).

<div class="progress progress-striped
     active">
  <div class="bar"
       style="width: 40%;"></div>
</div>

庐山昌欣泰设备有限公司

茂名谦大美设备有限公司

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

龙井宝晶宝设备有限公司

Similar to the solid colors, we have varied striped progress bars.

唐山公佳泰机械有限公司

Progress bars use CSS3 transitions, so if you dynamically adjust the width via javascript, it will smoothly resize.

If you use the .active class, your .progress-striped progress bars will animate the stripes left to right.

黄山恒德复贸易有限公司

Progress bars use CSS3 gradients, transitions, and animations to achieve all their effects. These features are not supported in IE7-9 or older versions of Firefox.

Opera and IE do not support animations at this time.

南通润禄元商贸有限公司

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

Look, I'm in a well!
<div class="well">
  ...
</div>

///锦州巨厚亨设备有限公司

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

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<a class="close">&times;</a>
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