Bootstrap

https://getbootstrap.com/

Snippet from Wikipedia: Bootstrap (front-end framework)

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains HTML, CSS and (optionally) JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

As of AprilĀ 2022, Bootstrap is the eleventh most starred project on GitHub, with over 156,000 stars.

GitHub Topics

Bootstrap is a popular front-end framework that streamlines website design. It allows for the creation of easy and responsive web layouts.