CodePen

HTML

            
              <html>
<body>
<div id="video">
<iframe align="center" width="600" height="335" src="http://www.youtube.com/embed/9wqmzIKox6s?rel=0;showinfo=0;controls=1;autoplay=0;autohide=1;modestbranding=0;theme=light" frameborder="0" allowfullscreen=""></iframe>


</div>

<div>
<a href="#">action link</a>
</div>


</body>


</html>
            
          
!

↑ Insert the most common viewport meta tag

CSS

            
              iframe {
    border:8px solid #182f4f
}
            
          
!
? ?
? ?
Must be a valid URL.
+ add another resource
via CSS Lint

JS

            
              $(function () {
  $('a').click(function () {
    $('iframe').attr('src', 'http://css-tricks.com');
    return false;
  });
});
            
          
!
Must be a valid URL.
+ add another resource
via JS Hint
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