.mejs-container { width: 100% !important; height: auto !important; padding-top: 57%;}
.mejs-overlay, .mejs-poster { width: 100% !important; height: 100% !important; }
.mejs-mediaelement video { position: absolute; top: 0; left: 0; right: 0; bottom: 0; width: 100% !important; height: 100% !important; }