remove gray/white content tiling in cdm because headers make a better job to distinguish between posts

cdm.css

@@ -118,4 +118,6 @@ div.Unread.Selected div.cdmHeader, div.Selected div.cdmHeader {
 	background : #FFF2BF;
 }
 
-
+div.cdm.even {
+	background : white;
+}

classes/feeds.php

@@ -513,7 +513,7 @@ class Feeds extends Handler_Protected {
 					$mouseover_attrs = "onmouseover='postMouseIn($id)'
 						onmouseout='postMouseOut($id)'";
 
-					$reply['content'] .= "<div class=\"$class\" $label_row_style
+					$reply['content'] .= "<div class=\"cdm $class\" $label_row_style
 						id=\"RROW-$id\" $mouseover_attrs'>";
 
 					$reply['content'] .= "<div class=\"cdmHeader\">";