--- renderer.php	2014-03-20 10:00:28.543727609 +0530
+++ renderer_green.php	2014-03-20 10:04:06.755728075 +0530
@@ -95,7 +95,10 @@
 
         $o = '';
         $o .= $this->output->heading($result->heading, 4);
-        $o .= $this->output->notification($result->message);
+        if($result->message=="The grade changes were saved")
+       	   $o .= $this->output->notification($result->message,"notifysuccess");
+       	else        
+           $o .= $this->output->notification($result->message);
         $o .= $this->output->continue_button($url);
         return $o;
     }