#tableau {
	position:fixed;
	top:0;
	left:0;
	width:100vw;
	height:100vh;
	margin:0;
	z-index:0;
}

h1 {
	position:fixed;
	text-align:center;
	left:0;
	width:100vw;
	top:50vh;
	z-index:1;
	color:#000b6f;
	font-size:400%;
	text-shadow: 3px 3px 2px #f0f0d0, -3px -3px 2px #f0f0d0, 3px -3px 2px #f0f0d0, -3px 3px 2px #f0f0d0;
}