diff --git a/editions/tw5.com/tiddlers/system/tw5.com-styles.tid b/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
index 4671d3894..9677fc704 100644
--- a/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
+++ b/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
@@ -12,7 +12,7 @@ tags: $:/tags/Stylesheet
     border: 1px solid #ebefcd;
     padding: 5px 10px;
     margin-bottom: 10px;
-    background: #fcfdf3;
+    background: <<colour code-background>>;
     font-size: 0.8em;
     line-height: 1.2;
 }