What is Bootstrap?

Bootstrap is the most popular HTML,CSS , JavaScript framework for designing and developing responsive mobile first means designing and online experience for mobile before designing it for desktop web or any other device. Web applications or sites in the current time. Bootstrap was developed by Mark Otto  and  Jacob Thorton at Twitter, which is open source and was released in August 2011. It could be downloaded from Bootstrap’s official website.

We need to give reference of Bootstrap css and JavaScript along with JQuery.

Major advantage of using bootstrap is responsive design. This responsive css adjusts to desktop, tablets and mobiles. Built in components are simple, beautiful and easily  able to customize.