Bootstrap: The Popular Front-End Framework for Responsive Websites

Bootstrap is a free and open-source front-end web development framework that helps developers create responsive and mobile-first websites. It was developed by Twitter and is designed to make it easier to create consistent and efficient web pages that work on a variety of devices and screen sizes. Bootstrap provides a set of HTML, CSS, and JavaScript components and templates that can be used to quickly create a website, including navigation bars, forms, buttons, and more. It also includes a responsive grid system that allows developers to easily create layouts that adapt to different screen sizes. Bootstrap is widely used by web developers around the world and has become one of the most popular front-end frameworks available.