Made the last item in the list non-click

Change-Id: I1c727df86e88b499695e48f44c2ad2dd447a9ec5
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2.css b/web/gui/src/main/webapp/app/view/topo2/topo2.css
index 6c98150..2851cbd 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2.css
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2.css
@@ -79,6 +79,12 @@
     margin-left: 5px;
 }
 
+#breadcrumbs .breadcrumb:last-child a {
+    pointer-events: none;
+    font-weight: 600;
+    color: #757575;
+}
+
 #breadcrumbs .breadcrumb:last-child:after {
     display: none;
 }