.conteneur{
	width:830px;
	margin:auto;
}

.header{
	width:800px;
	height:150px;
	background:#093844;
	margin:auto;
}

.menu{
	width:166px;
	height:39px;
	background:#f9f89b;
	float:left;
	margin:15px 0px 15px 0px;
}

.conteneur2{
	display:flex;
	width:880px;
}

.colonne_gauche{
	width:550px;
	height:500px;
	background:#80a894;
	margin-right:30px;
}
.colonne_droite{
	width:250px;
	height:500px;
	background:#52736b;
}

.footer{
	width:700px;
	height:100px;
	background:#532736;
	margin:15px auto 0px auto;
}