title: Bootstrap input group addon not same heigth
body: <p>I create a timpicker with input group addon.</p>
  
  <pre><code>&lt;div class="input-group bootstrap-timepicker timepicker"&gt;
                          &lt;input id="timepickermailingtoupsummary" type="text"
                              style=" position: relative;"&gt; &lt;span
                              class="input-group-addon"&gt;&lt;i
                              class="glyphicon glyphicon-time"&gt;&lt;/i&gt;&lt;/span&gt;
                      &lt;/div&gt;
  </code></pre>
  
  <p>But it returns </p>
  
  <p><a href="https://i.stack.imgur.com/wlii9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wlii9.png" alt="enter image description here"></a></p>
  
  <p>Can you I get same height. </p>