.layout{background-color:#fff;height:10cm;width:100%}.process{position:absolute;top:0;right:0;margin:.5cm}.scale{width:100%;padding-bottom:56.25%;height:0;position:relative;top:0}.item{width:100%;height:100%;left:2cm;position:absolute}.CallBackCoverImgVideo{width:300px;position:relative}