What is a jumbotron?

A Jumbotron in Bootstrap is a large, full-width container that can be used to display important content, such as headlines, call-to-action buttons, and images. The Jumbotron in Bootstrap is a responsive component, meaning it adapts to different screen sizes and is designed to work well on both desktop and mobile devices.

The link given below shows the example for a adding and customizing a jumbotron