[GOM] Warn when the roll is running behind

Tools/GardeningServer/styles/common.css

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
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 button.default:hover {
     border: 1px solid #2f5bb7;
     color: white;
     background-color: #357ae8;
     background-image: -webkit-gradient(linear,left top,left bottom,from(#4d90fe),to(#357ae8));
 }
 
 .clear {
     clear: both;
 }
+
+/***  Visual escalation ***/
+
+.warning {
+    color: white;
+    background-color: #ffc343;
+    font-weight: bold;
+    font-size: 2em;
+}
+
+.critical {
+    color: white;
+    background-color: #e98080;
+    font-weight: bold;
+    font-size: 3em;
+}