Bootstrap 3.1 全新版本发布了，包含如下新特性： Three new templates: Blog, Cover, and Dashboard. #10884: Add .info variant to contextual table classes. #11138: Add contextual styles to list groups. #11162: Add new sizes, .modal-lg and .modal-sm, to modals for quicker settings on modals. Only applies to modals above the small breakpoint. #11193: Add <kbd> element styles to indicate user input via keyboard. #11244: Add .animation() mixins. #11572: Add contextual background-color classes to match our existing text classes. (This also moves both sets of classes to the Helper Classes section of the CSS docs.) #11675: Add .text-justify class to round out the text alignment classes. #11836: Add new form control feedback classes to toggle icons for each validation state. Works on regular forms, horizontal, and inline.
同时还包含多项其他包括 CSS 和 JavaScript 在内的改进，详情请看这里。 | 
