Badge – Customized badges using the BootstrapComponents extension.

From Bootstrap - Demo Wiki
Component
Name Badge
Description Customized badges using the BootstrapComponents extension.
Provider BootstrapComponents
Reference BootstrapComponents Extension docs - badge
Styling For all possible color styles and corresponding examples, see colors.

Custom inline CSS

Code
Some text that will be followed by a badge with a border. {{#bootstrap_badge: 42 | style=border:1px solid black; }}
Result

Some text that will be followed by a badge with a border. 42

Custom CSS class

Code
Some text that will be followed by a badge with a drop shadow. {{#bootstrap_badge: 42 | class=bootstrap-badge-example }}

On MediaWiki:Common.css or MediaWiki:Chameleon.css:

.bootstrap-badge-example {
  box-shadow: 2px 2px 2px black;
}
Result

Some text that will be followed by a badge with a drop shadow. 42