r>
    <nav>Nav</nav>
    <main>Main</main>
    <footer>Footer</footer>
  </div>
</div>

<figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt">&lt;div</span> <span class="na">class=</span><span class="s">"layout-4"</span><span class="nt">&gt;</span>
  <span class="nt">&lt;header&gt;</span>Header<span class="nt">&lt;/header&gt;</span>
  <span class="nt">&lt;nav&gt;</span>Nav<span class="nt">&lt;/nav&gt;</span>
  <span class="nt">&lt;main&gt;</span>Main<span class="nt">&