.case {
	margin:60px;
	padding:20px;
	font-size:26px;
	position:relative;
	overflow:hidden;
	display:inline-block;
	transition:all 0.5s;
	-webkit-transition:all 0.5s;
	-moz-transition:all 0.5s;
	-ms-transition:all 0.5s;
}
.case:before {
	content:'';
	width:100%;
	height:100%;
	position:absolute;
	left:0;
	top:0;
	background:#d3817a;
	opacity:0;
	transform:translateX(-100%);
	transition:transform 0.5s ease-in-out 0s;
	z-index:-1;
}
.case:after {
	content:"";
	width:100%;
	height:100%;
	position:absolute;
	top:0;
	left:0;
	background:#d3817a;
	opacity:1;
	transform:translateX(100%);
	transition:transform 0.5s ease-in-out 0s;
	z-index:-1;
}
.case:hover {
	color:#fff;
}
.case:hover:before {
	opacity:1;
	transform:translateX(0px);
}
.case:hover:after {
	opacity:0;
	transform:translateX(0%);
}