title: Bootstrap popover - remove arrow
body: <p>I have the following div:</p>
  
  <pre><code>&lt;span data-placement="bottom" data-toggle="popover" data-container="body"&gt;Press Me!&lt;/span&gt;
  </code></pre>
  
  <p>with the following popup:</p>
  
  <pre><code>  &lt;div id="popover-content" class="hide"&gt; ... &lt;/div&gt;
  </code></pre>
  
  <p>How do I remove the arrow from the popover window??</p>