.center {
	width: 1250px;
	margin: auto;
}

.droite_pub {
	width: 100px;
	height: 468px;
	float: left;
	margin-top:162px;
	margin-left:10px;
}

.site {
	width:1100px;
	float:left;
}

.spip {
	z-index:1;
	position:absolute;
}

.bandeau_pub {
	width: 468px;
	height: 60px;
	z-index:2;
	position:absolute;
	margin-top:10px;
	margin-left:245px;
}