.monitorMsgPage{width:100%;height:100%;overflow-y:scroll;background-color:#f6f6f6}.monitorMsgPage .mySelfVideo{width:100%;height:100%;position:relative}.monitorMsgPage .mySelfVideo .vjs-big-play-button{position:absolute;top:0;left:0;right:0;bottom:0;margin:auto}