diff --git a/theme/standard/styles_color.css b/theme/standard/styles_color.css
index 0d3ac52cddd..034fb5989e0 100644
--- a/theme/standard/styles_color.css
+++ b/theme/standard/styles_color.css
@@ -64,10 +64,12 @@ th {
     background-color:#AAFFAA; /* highlight */
 }
 
-.r0 {  /* Alternate rows */
+/* Alternate rows even */
+.r0 {  
 }
 
-.r1 {  /* Alternate rows */
+/* Alternate rows odd */
+.r1 {  
 }
 
 /* header styles */