* {
	padding:0;
	margin:0;
}
body,html {
	display:flex;
	justify-content:center;
	align-items:center;
	height:100%;
}
.wrap {
	width:200px;
	height:200px;
	perspective:500px;
}
.box {
	background:#abb9c5;
	width:100%;
	height:100%;
	transition:all 1s;
	transform-style:preserve-3d;
	position:relative;
}
.wrap:hover .box {
	transform:rotateY(180deg);
}
.font,.back {
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;
	text-align:center;
	line-height:200px;
	backface-visibility:hidden;
}
.back {
	transform:rotateY(180deg);
}