Welcome, we will see Jumbotron Bootstrap 4 in Hindi | Jumbotron bootstrap 4 background image, how to set Jumbotron bootstrap 4 background image. Creating a Jumbotron A jumbotron indicates a big box for calling extra attention to some special content or information. A jumbotron is displayed as a grey box with rounded corners. It also enlarges the font sizes of the text inside it. Tip: Inside a jumbotron you can put nearly any valid HTML, including other Bootstrap elements/classes. Use a div element with class .jumbotron to create a jumbotron.