Index: trunk/web-app/css/main.css
===================================================================
--- trunk/web-app/css/main.css	(revision 519)
+++ trunk/web-app/css/main.css	(revision 539)
@@ -5,5 +5,18 @@
 }
 
-/* GENERAL */
+/** 
+* GENERAL.
+* Commonly used application colours:
+* #FF9900 - Traffic Light Amber.
+* #00CC00 - Traffic Light Green.
+* #FF0000 - Traffic Light Red.
+* #2647A0 - Dark Blue (Tabs).
+* #006DBA - Link Blue (Links and Message Text).
+* #CC0000 - Dark Red (Error Message Text).
+* #FCFCFC - Off White (Input Fields).
+* #666666 - Dark Grey (Nav Text).
+* #333333 - Very Dark Grey (TH, Menu Button).
+* #555555 - Total Row Grey.
+*/
 
 .spinner {