.sct{perspective:60rem}.area>div{z-index:1000;transition:all 1s cubic-bezier(.175,.885,.32,1.275);transform-style:preserve-3d;-webkit-backface-visibility:hidden;backface-visibility:hidden}.front{transform:rotateY(0)}.area:hover .front,.back{transform:rotateY(180deg)}.area:hover .back{transform:rotateY(0)}