Another step forward with the UI.
- Added hosts to test data.
- Messed with colors and icons.
- Added more internal configuration values.
diff --git a/web/gui/src/main/webapp/onos.css b/web/gui/src/main/webapp/onos.css
index 340ae79..b2df75c 100644
--- a/web/gui/src/main/webapp/onos.css
+++ b/web/gui/src/main/webapp/onos.css
@@ -38,7 +38,7 @@
  * Network Graph elements ======================================
  */
 
-.link {
+svg .link {
     fill: none;
     stroke: #666;
     stroke-width: 1.5px;
@@ -56,7 +56,7 @@
     stroke-width: 1.5px;
 }
 
-.node rect {
+svg .node rect {
     stroke-width: 1.5px;
 
     transition: opacity 250ms;
@@ -64,13 +64,15 @@
     -moz-transition: opacity 250ms;
 }
 
-/*differentiate between packet and optical nodes*/
-svg .node.pkt rect {
-    fill: #77a;
+svg .node.device.roadm rect {
+    fill: #229;
+}
+svg .node.device.switch rect {
+    fill: #55f;
 }
 
-svg .node.opt rect {
-    fill: #7a7;
+svg .node.host rect {
+    fill: #787;
 }
 
 svg .node text {
@@ -121,15 +123,13 @@
 #frame {
     width: 100%;
     height: 100%;
-    background-color: #cdf;
+    background-color: #fff;
 }
 
 #mast {
     height: 32px;
-    background-color: #abe;
+    padding: 6px;
+    background-color: #ccc;
     vertical-align: baseline;
 }
 
-#main {
-    background-color: #99c;
-}