#body {
	background-color: #777777;
	margin: 0px;
}
#conteneur {
	margin: auto;
	width: 500px;
}
#conteneur_page {
	float: left;
	position: relative;
	width: 500px;
}
#titre_page {
	width: 100%;
	position: relative;
	float: left;
	margin-top: 20px;
	margin-bottom: 10px;
}
#colonne {
	width: 100%;
	position: relative;
	float: left;
}