Responsive iframe
/*
* Responsive video container
* http://www.smashingmagazine.com/2014/02/27/making-embedded-content-work-in-responsive-design/
*/
.video-container {
position: relative;
padding-bottom: 56.25%;
padding-top: 35px;
height: 0;
overflow: hidden;
}
.video-container iframe {
position: absolute;
top:0;
left: 0;
width: 100%;
height: 100%;
}