diff --git a/editions/tw5.com/tiddlers/system/tw5.com-styles.tid b/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
index 8f94ca620..16b2f46ff 100644
--- a/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
+++ b/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
@@ -192,7 +192,6 @@ type: text/vnd.tiddlywiki
 	right: 0;
 	overflow: hidden;
 	top: 0;
-	z-index: 999;
 	pointer-events: none;
 }