.stf__parent{box-sizing:border-box;-ms-touch-action:pan-y;touch-action:pan-y;display:block;position:relative;transform:translateZ(0)}.sft__wrapper{box-sizing:border-box;width:100%;position:relative}.stf__parent canvas{width:100%;height:100%;position:absolute;top:0;left:0}.stf__block{box-sizing:border-box;perspective:2000px;width:100%;height:100%;position:absolute}.stf__item{transform-style:preserve-3d;display:none;position:absolute}.stf__outerShadow,.stf__innerShadow,.stf__hardShadow,.stf__hardInnerShadow{position:absolute;top:0;left:0}