.loader-etl{width:150px;height:105px;background:#979794;box-sizing:border-box;position:relative;border-radius:8px;perspective:1000px}.loader-etl:after,.loader-etl:before{position:absolute;right:6px;top:6px;bottom:6px;border-radius:8px}.loader-etl:before{content:' ';left:6px;background:no-repeat #f5f5f5;background-size:60px 10px;background-image:linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0);background-position:7.5px 21px,7.5px 42px,7.5px 63px,73.5px 21px,73.5px 42px,73.5px 63px;box-shadow:0 0 10px rgba(0,0,0,.25)}.loader-etl:after{content:'';width:calc(50% - 10px);background:35% 21px no-repeat,35% 42px no-repeat,35% 63px no-repeat #fff;background-size:60px 10px;background-image:linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0),linear-gradient(#ddd 100px,transparent 0);transform:rotateY(0);transform-origin:left center;animation:paging 1s linear infinite}@keyframes paging{to{transform:rotateY(-180deg)}}