title: Weird issue of iframe and border radius in firefox
body: <p>I faced a very weird issue of iframe and border radius in firefox.</p>
  
  <p>Corners of button with border-radius we getting squared after over lapping on iframe.</p>
  
  <p>jsfiddle as both demo of issue as well as solution.</p>
  
  <p><a href="http://jsfiddle.net/R4b5h/3/" rel="nofollow">http://jsfiddle.net/R4b5h/3/</a> here is the demo.</p>
  
  <p>Solution for this is to add </p>
  
  <pre><code>sandbox="allow-scripts  allow-same-origin"
  </code></pre>
  
  <p>in iframe.</p>