pan>
        Level 1: .col-sm-9
        <span class="nt">&lt;div</span> <span class="na">class=</span><span class="s">"row"</span><span class="nt">&gt;</span>
          <span class="nt">&lt;div</span> <span class="na">class=</span><span class="s">"col-8 col-sm-6"</span><span class="nt">&gt;</span>
            Level 2: .col-8 .col-sm-6
          <span class="nt">&lt;/div&gt;</span>
          <span class="nt">&lt;div</span> <span class="na">class=</span><span class="s">"col-4 col-sm-6"</span><span class="nt">