   hero
    </a>
  </td>
  <td>
    <a href="https://getbootstrap.com/components/#jumbotron" target="_blank">
      jumbotron
    </a>
  </td>
</tr>
<tr>
  <td class="bd-is-unique">
    <a href="{{ site.url }}/documentation/layout/section/">
      section
    </a>
  </td>
  <td class="bd-is-empty">
    <span>–</span>
  </td>
</tr>
<tr>
  <td class="bd-is-unique">
    <a href="{{ site.url }}/documentation/layout/footer/">
      footer
    </a>
  </td>
  <td class="bd-is-empty">
    <span>–</span>
  </td>