body {
	width: 600px;
	margin: auto;
	background: url("image/index.jpg") no-repeat ;
background-position: center top;
	background-color: #050706;
}


#bouton a {
	display: block;
	float: left;
	outline: none;
	margin-top: 113%;
	margin-left: 22%;
	height: 50px;
	width: 100px;
	font-size: 30px;
	color: white;
	text-decoration: none;
}