.upload-demo div{width:100%;height:100%}.cView{height:40%;width:30%;display:inline-block;vertical-align:top;margin-left:3.5%;transform-style:preserve-3d;transition:1s;perspective:1000px}.front{box-shadow:0 0 10px #000;background-color:rgba(0,0,0,.8)}.back,.front{width:100%;height:100%;border-radius:10px}.back{box-shadow:0 0 10px #a5ef68;background-color:#a5ef68;backface-visibility:hidden;transform:rotateY(180deg)}.back,.front{position:absolute;cursor:pointer}.flipped{transform:rotateY(180deg)}