<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-4">
    <p>It uses utility classes for typography and spacing to space content out within the larger container.</p>
    <p class="lead m-0">
        <a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
    </p>
</div>

<div class="jumbotron">
    <div class="container">
        <h1 class="display-3">jumbotron</h1>
        <p class="lead m-0">This is a modified jumbotron that occupies the entire horizontal space of its parent.</p>
    </div>
</div>