Bootstrap

Bootstrap is a free,open-source front-end framework. It provides the build in CSS templates for developers to create a responsive and mobile-first websites.

Bootstrap was originally created by Twitter and now it has been used worldwide.

Benefits

Responsive Design: Automatically fits phones, tablets, and computers.

Pre-built Components: Saves development time with ready-to-use components like dropdowns, accordions, alerts, cards, and carousels.

Grid System: Uses a 12-column setup to arrange page items easily.

Same Look Everywhere: Works well and looks uniform across different web browsers.

Easy to Change: Allows you to customize colors and styles to fit your project.