升级到 Bootstrap 2

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

网格系统

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

Heads up! We've rewritten just about everything for our plugins, so head on over to the Javascript page to learn more.

Tooltips

Popovers

New plugins