#body {
	background-color: #cdcdcd;
	margin: 0px;
	background-repeat: no-repeat;
	background-position: -350px -210px;
}
#conteneur {
	width: 480px;
	margin: auto;
}
#conteneur_colonnes {
	width: 100%;
	position: relative;
	float: left;
	margin-top: 20px;
	margin-bottom: 20px;
}
#colonne_centre {
	width: 100%;
	position: relative;
	float: left;
}
#bottom {
	width: 100%;
	position: relative;
	float: left;
	border-top: 1px dotted #ffffff;
	margin-top: 10px;
	margin-bottom: 20px;
	padding-top: 10px;
}