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What is Bootstrap?

Experience Level: Junior
Tags: Bootstrap 4HTML


Bootstrap is a web user interface framework that allows you to create nice and consistent user interface faster.

It contains CSS templates that define common reusable components - forms, buttons, tables, navigation, cards...

Bootstrap defines typography rules and allows you to create responsive layouts.

It also contains optional JavaScript extensions that allow you to add more dynamic functionality like modal dialogs or calendars.

You can hear the following from front-end developers most often...

Bootstrap is:

  • Responsive UI framework
  • CSS framework = Package of CSS templates
  • Tool that makes development of web user interface easier and more robust due to its cross-browser support
  • Free (open-source)
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