Index: public/stylesheets/application.css
===================================================================
--- public/stylesheets/application.css	(revision 18423)
+++ public/stylesheets/application.css	(working copy)
@@ -52,10 +52,10 @@
   margin: 0;
   padding: 4px 10px 4px 10px;
 }
-#main-menu li a:hover {background:#759FCF; color:#fff;}
+#main-menu li a:hover {background:#759FCF; color:#fff;border-top-left-radius: 3px; border-top-right-radius: 3px;}
 #main-menu li:hover ul.menu-children, #main-menu li ul.menu-children.visible {display: block;}
-#main-menu li a.selected, #main-menu li a.selected:hover {background:#fff; color:#555;}
-#main-menu li a.new-object { background-color:#759FCF; }
+#main-menu li a.selected, #main-menu li a.selected:hover {background:#fff; color:#555; border-top-left-radius: 3px; border-top-right-radius: 3px;}
+#main-menu li a.new-object { background-color:#759FCF; border-top-left-radius: 3px; border-top-right-radius: 3px;}
 
 #main-menu .menu-children {
   display: none;