Responsive video embed

gistfile1.txt

$('.somelocalselector iframe').removeAttr('height width').wrap('<div class="video"/>');


.video {
    position: relative;
    padding-bottom: 56.5%;
    margin-top: 2em;
}
.video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}