body {
	background-image:url('image-mnt.jpg');
	background-size: cover;
	width: 100%;
	background-repeat: no-repeat;
}

.bloc {
	width: 90%;
	max-width: 40em;
	background: rgba(200, 200, 200, 0.7);
	margin-top: 23%;
	margin-left: auto;
	margin-right: auto;
	padding: 0 3em 1em 3em;
	font-family: 'Lobster', cursive;
}

.legende {
	color : #fff;
	text-align: center;
	font-size: 0.8em;
}