#body {
	margin: 0px;
	background-color: #FFF;
}
#conteneur_principal {
	margin-right: auto;
	margin-left: auto;
	width: 600px;
	position: relative;
}
#contenu_gauche {
	padding-top: 10px;
	width: 360px;
	position: relative;
	float: left;
}
#conteneur_bottom {
	width: 100%;
	height: 50px;
	position: relative;
	float: left;
}
#bottom {
	width: 100%;
	position: relative;
	float: left;
}
#titre_popup {
	width: 100%;
	position: relative;
	float: left;
}
#conteneur_colonnes {
	width: 100%;
	position: relative;
	float: left;
}
#contenu_droit {
	width: 220px;
	position: relative;
	float: right;
}