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Bootstrap 3 Has a New Look and More Components

by Abel Avram on Aug 23, 2013 |

Bootstrap 3.0 comes with a new look, more components, lots of breaking changes and fixes.

Two years after the initial release, Bootstrap 3.0 was released including among others the following new features or improvements:

  • A new flat theme.
  • While the framework could be used on mobile devices since 2.0, now it has been targeted for them, but it can also run on larger screens due to responsive design which scales the interface depending on the screen size.
  • Responsive design can be turned off if desired.
  • New components: panel, list group, collapsible panel.
  • Deprecated components: accordion, dropdown submenu, typeahead, search form
  • New browser-based library customizer
  • New glyphicons 

Those who have built Bootstrap applications with 2.0 will have to consider the many breaking changes introduced by the latest version: dozens of class renames and 7 classes that have been removed or modified. Also, Internet Explorer 7 support has been terminated.

Bootstrap is a front-end development framework for creating desktop and mobile web applications using HTML, CSS and JavaScript. The framework consists of a number of UI components including the usual ones such as buttons, input fields, labels, lists, but also some more unusual such as glyphicons, badges, jumbotron, and others. Bootstrap uses JavaScript for some of the components or to provide specific functionality – transitions, modal dialogs, tooltips, alerts, etc. –, the respective script files being jQuery plug-ins.

Bootstrap started as an internal project at Twitter but soon became an open source project, one of the most active on GitHub with over 300 contributors. 

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