diff --git a/apps/demo/cord-gui/src/main/webapp/app/fw/nav/nav.css b/apps/demo/cord-gui/src/main/webapp/app/fw/nav/nav.css
index b2cc2be..35f8103 100644
--- a/apps/demo/cord-gui/src/main/webapp/app/fw/nav/nav.css
+++ b/apps/demo/cord-gui/src/main/webapp/app/fw/nav/nav.css
@@ -20,14 +20,23 @@
     list-style-type: none;
     width: 100%;
     margin-bottom: 2%;
-    padding: 1% 0;
 }
 
 .nav li {
-
+    background-color: lightgray;
+    padding: 1% 0;
+}
+.nav li.selected {
+    font-weight: bold;
+    background-color: darkgray;
 }
 
 .nav a {
     display: table-cell;
     text-align: center;
+    text-decoration: none;
+    color: black;
+}
+.nav a:visited {
+    color: black;
 }