
Bootstrap-CSS Basics ( v5.x )
Bootstrap is a HTML, CSS, and JS framework that allows for the easy building of rich web applications. It is known for its mobile support and responsive design features. Bootstrap is popular among developers due to its ease of use and wide browser support.
Bootstrap is a popular framework for building web applications with minimal effort. It offers mobile support, ease of learning, and wide browser compatibility. To install Bootstrap, simply download the CSS and JS files and add them to your project's HTML file.

Bootstrap is the most popular CSS Framework for developing responsive and mobile-first websites.