#centre {
	position:absolute;
	background-image: url(img-css/fond-centre-demande.png); 
	left: 168px; 
	top: 198px;
	width: 348px;
	height: 420px;
	border: none;
	text-align: left;
}
#droite {
	position:absolute;
	background-image: url(img-css/fond-droite-demande.png); 
	left: 516px; 
	top: 198px;
	width: 269px;
	height: 419px;
	border: none;
	text-align: left;
}