GUI -- Tweaks to make round things less roundy and shadows less shadowy.

Change-Id: Icaad986c1f494514c29def3f5e632ffeedc9257b
diff --git a/web/gui/src/main/webapp/onos2.css b/web/gui/src/main/webapp/onos2.css
index 32cdbe8..fbe2df1 100644
--- a/web/gui/src/main/webapp/onos2.css
+++ b/web/gui/src/main/webapp/onos2.css
@@ -58,7 +58,7 @@
     padding: 3px 6px;
     -moz-border-radius: 6px;
     border-radius: 6px;
-    box-shadow: 4px 6px 12px #777;
+    box-shadow: 0px 2px 12px #777;
 }
 
 #alerts pre {