#conteneur_principal {
	width: 500px;
	position: relative;
	margin-left: auto;
	margin-right: auto;
}
#colonne {
	width: 500px;
	position: relative;
	float: left;
	background-color: #fff;
}
#contenu_bloc_droite {
	width: 480px;
	left: 10px;
	position: relative;
	float: left;
	margin-bottom: 20px;
	padding-top: 20px;
}
#structure_bottom {
	float: left;
	width: 500px;
	position: relative;
}
#titre_page {
	width: 480px;
	left: 10px;
	position: relative;
	float: left;
	padding-top: 20px;
}
#body {
	background-color: #FFFFFF;
	margin: 0px;
	background-repeat: repeat-x;
	background-position: top;
}