Separating theme from layout for CSS files.

Change-Id: I4c3cec28b30de8026df4298f65ebf6ad92faf68f
(cherry picked from commit 11f662f)
diff --git a/web/gui/src/main/webapp/app/fw/layer/veil.css b/web/gui/src/main/webapp/app/fw/layer/veil.css
index 5ec3cc1..d1defe0 100644
--- a/web/gui/src/main/webapp/app/fw/layer/veil.css
+++ b/web/gui/src/main/webapp/app/fw/layer/veil.css
@@ -15,7 +15,7 @@
  */
 
 /*
- ONOS GUI -- Veil Service -- CSS file
+ ONOS GUI -- Veil Service (layout) -- CSS file
  */
 
 #veil {
@@ -26,13 +26,6 @@
     left: 0;
 }
 
-.light #veil {
-    background-color: rgba(0,0,0,0.75);
-}
-.dark #veil {
-    background-color: rgba(64,64,64,0.75);
-}
-
 #veil .msg {
     position: absolute;
     padding: 60px;
@@ -42,9 +35,4 @@
     display: block;
     font-size: 14pt;
     font-style: italic;
-    color: #ddd;
-}
-
-#veil svg .glyph {
-    fill: #222;
 }