title: How to mute an iframe?
body: <p>I need to mute an iframe, but I don't know how to do it.  Here is an example of what I have: </p>
  
  <p><a href="http://www.codecademy.com/en/bitAce74593/codebits/nW7U9b" rel="noreferrer">http://www.codecademy.com/en/bitAce74593/codebits/nW7U9b</a></p>
  
  <p>Here you can hear the music from the website on the iframe, I need to automatically mute that audio.
  Hope that someone knows how to do it. 
  Thanks</p>