A Bootstrap jumbotron specifies a big box for getting extra attention to some special content or information. It is displayed as a grey box with rounded corners. It can also enlarge the font sizes of the text inside it.
The class .jumbotron within the <div> element is used to create a jumbotron.
Place the jumbotron inside the <div class="container"> if you want the jumbotron to NOT extend to the edge of the screen:
Place the jumbotron outside the <div class="container"> if you want the jumbotron to extend to the screen edges