add Corse departments, format advice under map

ot_templating/Resources/Public/assets/Classic/style/module/_structures.scss

@@ -222,8 +222,10 @@ $input-border-color: #bfbfbf;
     max-width: 100%;
   }
 
-  #structure-map-bar .btn {
-    margin: 0 10%;
+  #structure-map-bar .advice {
+    color: #e4611b;
+    font-weight: 750;
+    text-align: center;
   }
 
   #overseas-provinces-list {