div#header .boiteBanniereGauche {

	display: table;
	font-weight: bold;
	height: auto;
	left: 7em;
	margin-left: 0;
	margin-top: auto;
	position: relative;
	width: 0;
	z-index: 100;
	top: -5em;
}

css/global.css

@@ -2594,6 +2594,10 @@ table.loans td:first-child, table.reservations td:first-child {
 	margin-top: 50%;
 }
 
+div#header .boiteBanniereGauche {
+	top: -5em;
+}
+
 .index_index.profil_1 .boite.calendar .article_info_others span, .index_index.profil_257 .boite.calendar .article_info_others span {
 	left: 0;
 	position: relative;