body{
	background-attachment:fixed;
	background-image:url("fondecran.jpg");
	background-position:center;
	background-repeat:no-repeat;
	background-size:cover;
	margin:0;
}
h1{
 text-align: center;
 font-size:100px;
 font-family:Arial Narrow, sans-serif;
 color:white;
}