.video .kche-t66 .kche-item-img{width:100%;position: relative;width:100%;height:0;padding-bottom: 56.25%;border-radius:8px;overflow:hidden;}
.video .kche-t66 .kche-item-img iframe{position:absolute;top:0;left: 0;width:100%;height:100%;min-height:inherit;}