diff --git a/theme/base/style/core.css b/theme/base/style/core.css
index f666c4c3592..d1374b4c411 100644
--- a/theme/base/style/core.css
+++ b/theme/base/style/core.css
@@ -1028,3 +1028,6 @@ html[dir=rtl] #page-header {float: right;}
 html[dir=rtl] .formrow label.formlabel { float:right; }
 
 html[dir=rtl] .configphp {direction:ltr;text-align:left;}
+
+table.flexible .r0, table.generaltable .r0 {background-color: #F0F0F0;}
+table.flexible .r1, table.generaltable .r1 {background-color: #FAFAFA;}
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