.youtube-responsive {
position: relative;
padding-bottom: 56.25%;
padding-top: 30px;
height: 0;
overflow: hidden;
padding-top:initial;
}
.youtube-responsive iframe,
.youtube-responsive object,
.youtube-responsive embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
.youtube-responsive-button {
float: left;
}