.prism-player .prism-big-play-btn{position:absolute;left:50%!important;top:50%!important;transform:translate(-50%,-50%);z-index:998!important}.prism-player .prism-big-play-btn,.prism-player .prism-big-play-btn .outter{width:54px!important;height:54px!important}.prism-player video{width:100%;height:100%;-o-object-fit:contain!important;object-fit:contain!important;-o-object-position:center;object-position:center}