</span>
  <span class="nt">&lt;/div&gt;</span>
  <span class="nt">&lt;div</span> <span class="na">class=</span><span class="s">&quot;input-prepend&quot;</span><span class="nt">&gt;</span>
    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;add-on&quot;</span><span class="nt">&gt;&lt;i</span> <span class="na">class=</span><span class="s">&quot;icon-key&quot;</span><span class="nt">&gt;&lt;/i&gt;&lt;/span&gt;</span>
    <span class="nt">&lt;input</span> <span class="na">cl