#charles_plasse {
	text-align:center;
	margin:60px auto 0;
	width:800px;
}

#menu {
	text-align:center;
	margin: 0 auto;
	margin-top:13px;
}

#btn_achats {margin-left:27px;}
#btn_ventes {margin-left:21px;}
#btn_restaurations {margin-left:22px;}
#btn_chroniques {margin-left:23px;}
#btn_contact {margin-left:22px;}