diff --git a/editions/tw5.com/tiddlers/system/tw5.com-styles.tid b/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
index e2539cc8f..9c81de672 100644
--- a/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
+++ b/editions/tw5.com/tiddlers/system/tw5.com-styles.tid
@@ -44,6 +44,7 @@ tags: $:/tags/Stylesheet
 	background-color: <<colour message-background>>;
 	padding: 1em;
 	height: 400px;
+	position: relative;
 }
 
 .tc-improvement-banner {
diff --git a/editions/tw5.com/tiddlers/widgets/ScrollableWidget.tid b/editions/tw5.com/tiddlers/widgets/ScrollableWidget.tid
index c033cbd91..da5b536c9 100644
--- a/editions/tw5.com/tiddlers/widgets/ScrollableWidget.tid
+++ b/editions/tw5.com/tiddlers/widgets/ScrollableWidget.tid
@@ -1,5 +1,5 @@
 created: 20140324223413403
-modified: 20140324223524945
+modified: 20150427123524945
 tags: Widgets
 title: ScrollableWidget
 type: text/vnd.tiddlywiki
@@ -29,6 +29,7 @@ This example requires the following CSS definitions from [[$:/_tw5.com-styles]]:
 	background-color: <<colour message-background>>;
 	padding: 1em;
 	height: 400px;
+	position: relative;
 }
 ```