title: Change background color of iframe issue
body: <p>I need to change background color to white of the displayed page if <code>&lt;iframe&gt;&lt;/iframe&gt;</code>. Is that possible? Now background of the original website is gray. </p>
  
  <pre><code> &lt;iframe allowtransparency="true" style="background-color: Snow;" src="http://zingaya.com/widget/9d043c064dc241068881f045f9d8c151" frameborder="0" height="184" width="100%"&gt;
      &lt;/iframe&gt;
  </code></pre>
  
  <p>I want to change the background of loaded page</p>