Bootstrap 4 - Overview

What is Bootstrap 4?

Bootstrap 4 is a powerful and popular mobile first front-end framework for building responsive mobile first sites on the web.

Bootstrap can be used to build websites of any scale, from small blogs to large corporate websites. Organizations that use Bootstrap include NASA, University of Washington, FIFA, Newsweek, VOGUE and many more.


Bootstrap 4 alpha was released on 19 August 2015. After two years in various alpha releases, Bootstrap 4 progressed to beta release in August 2017, then to beta 2 in October 2017, and then finally to the full V4 release in January 2018.

Why to use Bootstrap?

  • It contains mobile first styles throughout the entire library, instead of using them in the separate files.

  • With just the knowledge of HTML and CSS anyone can get started with Bootstrap. Also the Bootstrap official site has a good documentation.

  • It is supported by all popular browsers and its responsive CSS adjusts to Desktops, Tablets and Mobiles.

  • Provides a clean and uniform solution for building an interface for developers.