Layouts
Skins
Progress
Default
To caption a progress bar, simply add a <div>with your caption text and associate the caption with the <progress>element using the aria-describedbyattribute.
IE9 support
Internet Explorer 9 doesn’t support the HTML5 <progress>element, but we can work around that.
Contextual alternatives
Progress bars use some of the same button and alert classes for consistent styles.
Striped
Uses a gradient to create a striped effect.
Size
Add .progress-lgor .progress-smfor additional sizes.
Skill bars
PHP 75%
RUBY 40%
HTML 100%