.video-js {
    width: 100% !important;
    height: auto !important;
}
.video-js:after {
    content: '.';
    display: block;
    position: relative;
    padding: 0;
    padding-top: 56.25%; /* set this to (height/width)*100% (eg. 56%=16:9, 75%=4:3) */
    margin: 0 0 0 -100%;
    visibility: hidden;
    height: 0;
}
.vjs-poster {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
}

.vjs-fullscreen {padding-top: 0px} 
.videocontent {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
}