<!-- Hero -->
<div class="p-4 shadow-4 rounded-3" style="background-color: hsl(0, 0%, 94%);">
  <h2>Hello world!</h2>
  <p>
    This is a simple hero unit, a simple Hero-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>
  <button type="button" class="btn btn-primary">
    Learn more
  </button>
</div>
<!-- Hero -->