Upgrading to Bootstrap 2

Learn about significant changes and additions since v1.4 with this handy guide.

Grid system

Responsive (media queries)

Typography

Code

Tables

Buttons

Forms

Icons, by Glyphicons

Button groups and dropdowns

Navigation

Navbar (formerly topbar)

Dropdown menus

Labels

Thumbnails

Alerts

Progress bars

Miscellaneous components

Popovers

Variables

Mixins