body{
	font-family: sans-serif;
	margin: 0;
	padding: 0;
}

.bouton{
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	cursor: pointer;
	display: inline-flex;
	transform-style: preserve-3d;
	perspective: 200px;
	perspective-origin: calc(100% - 53px);
}

.text{
	background: #000080;
	color: #f1f1f1;
	text-transform: uppercase;
	font-size: 16px;
	height: 50px;
	line-height: 50px;
	padding: 0 25px;
	letter-spacing: 3px;
}

.icon{
	width: 50px;
	height: 50px;
	line-height: 42px;
	box-sizing: border-box;
	border: 4px solid #000080;
	border-left: none;
	transition: 400ms transform ease-in-out;
	transform: rotateY(90deg);
	transform-origin: left;
}

img{
	width: 35px;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
}
*
.bouton:hover .icon{
	transform: rotate(0deg);
}