<div class="jumbotron">
<h1 class="display-3">Hello, world!</h1>
<p class="lead">This is a simple hero unit, a simple jumbotron-style component for
calling extra attention to featured content or information.</p>
<hr class="my-2">
<p>It uses utility classes for typography and
spacing to space content out within the larger container.</p>
<p class="lead">
<a class="btn btn-primary btn-lg" href="#" role="button">Some action</a>
</p>
</div>