html, body {
font-family: Arial;
height:100%;
}
li {
margin: 0;
padding: 0.2em;
}
.playerwrapperContainer {
position: relative;
}
.playerwrapperContainer.desktop{
width: 640px;
height: 360px;
}
.playerwrapperContainer.mobile{
padding-bottom: 56.25%;
}
.video-js-responsive-container.vjs-hd {
padding-top: 56.25%;
}
.video-js-responsive-container.vjs-sd {
padding-top: 75%;
}
.video-js-responsive-container {
width: 100%;
position: relative;
}
.video-js-responsive-container .video-js {
height: 100% !important; 
width: 100% !important;
position: absolute;
top: 0;
left: 0;
}