Fixing visuals for the SDN-IP demo.

Change-Id: Idd518213062c49c4f9011b951d87d2020927608a
diff --git a/web/gui/src/main/webapp/index2.html b/web/gui/src/main/webapp/index2.html
index ce09aab..eb268bb 100644
--- a/web/gui/src/main/webapp/index2.html
+++ b/web/gui/src/main/webapp/index2.html
@@ -77,7 +77,7 @@
     <script type="text/javascript">
         var ONOS = $.onos({
             comment: 'configuration options',
-            theme: 'light',
+            theme: 'dark',
             startVid: 'topo',
             trace: false
         });