Bootstrap Live Customizer customize variables.less on-the-fly

This is a live customizer for Bootstrap (aka a Bootstrap Themeroller), very similar to Bootstrap's customizer (it works with the same variables), but here the results of the edits are visible live on this page. The theme.less file is also editable which can be used to overwrite any style rule (the editable less variables can be used in theme.less as well).
This tool generates the customized bootstrap.css file but also the variables.less file which can be used to compile Bootstrap's style sheets manually. Feel free to customize the LESS variables on the right and see the results live on this page! Check out the less functions, they are supported by the customizer!

The generated files are public domain which means that they can be used in any project without any restrictions.


Try a pre-defined theme!

These are some of the Bootswatch themes for Bootstrap. Try them out, or reset to defaults!

Live preview

Customize the variables (or load a predefined Bootswatch theme) on the right!

Heading 1

Heading 2

Heading 3

Heading 4

Heading 5
Heading 6

Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor.

Example body text

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.

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

The following snippet of text is rendered as bold text.

The following snippet of text is rendered as italicized text.

The following snippet of text is rendered as code.

An abbreviation of the word attribute is attr.

Emphasis classes

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

Nullam id dolor id nibh ultricies vehicula ut id elit.

Etiam porta sem malesuada magna mollis euismod.

Donec ullamcorper nulla non metus auctor fringilla.

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

Maecenas sed diam eget risus varius blandit sit amet non magna.

Blockquotes

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

Someone famous in Source Title

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

Someone famous in Source Title
# Column heading Column heading Column heading
1 Column content Column content Column content
2 Column content Column content Column content
3 Column content Column content Column content
4 Column content Column content Column content
5 Column content Column content Column content
6 Column content Column content Column content
7 Column content Column content Column content
Legend
A longer block of help text that breaks onto a new line and may extend beyond one line.

$

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.

Pagination

Alerts

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.

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

Labels

Default Primary Success Warning Danger Info

Basic

Contextual alternatives

Striped

Animated

Stacked

Jumbotron

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

Learn more

List groups

Panels

Basic panel
Panel heading
Panel content
Panel content

Panel primary

Panel content

Panel success

Panel content

Panel warning

Panel content

Panel danger

Panel content

Panel info

Panel content

Wells

Look, I'm in a well!
Look, I'm in a small well!
Look, I'm in a large well!

Modals

Show modal dialog

Popovers

Tooltips


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