diff --git a/comedi-www.css b/comedi-www.css
index 0fc9f6c..4ad6b48 100644
--- a/comedi-www.css
+++ b/comedi-www.css
@@ -3,12 +3,12 @@ body
 	background-color: White;
 }
 
-tr.odd
+table.alternating-background tr.odd
 {
 	background-color: White;
 }
 
-tr.even
+table.alternating-background tr.even
 {
 	background-color: Lavender;
 }
diff --git a/make_device_table.pl b/make_device_table.pl
index 72c87b1..f1242b1 100755
--- a/make_device_table.pl
+++ b/make_device_table.pl
@@ -25,7 +25,7 @@ use warnings;
 print
 '<?xml version="1.0" encoding="utf-8"?>
 <!--This file is autogenerated.  Do not edit-->
-<table>
+<table class="alternating-background">
 	<tr>
 		<th>Make</th>
 		<th>Model</th>