lass="hljs-name">div</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"hx-heading example-heading"</span>&gt;</span>
  <span class="hljs-tag">&lt;<span class="hljs-name">div</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"hx-titlebar"</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">div</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"hx-titlebar-container"</span>&gt;</span>
      <span class="hljs-tag">&lt;<span class