Bootstrap is a free and open-source tool collection for creating responsive websites and web applications. It is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites. The newest version is Bootstrap 5. It is used because of the following reasons:
- Faster and Easier Web Development.
- It creates Platform-independent web pages.
- It creates Responsive Web-pages.
- It is designed to be responsive to mobile devices too.
- It is Free! Available on the bootstrap website.
- Sass Variables & Mixins
- Extensive pre-built components
- Powerful JavaScript plugins