Responsive Youtube
.embed-container {
position: relative;
padding-bottom: 56.25%;
height: 0;
overflow: hidden;
max-width: 100%;
height: auto;
}
.embed-container iframe, .embed-container object, .embed-container embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
/*<div class='embed-container'><iframe src='http://www.youtube.com/embed/9AShsOgwCG0' frameborder='0' allowfullscreen></iframe></div>*/