diff --git a/core/ui/SideBar.tid b/core/ui/SideBar.tid
index fe84805bd..61018edf7 100644
--- a/core/ui/SideBar.tid
+++ b/core/ui/SideBar.tid
@@ -28,7 +28,7 @@ title: $:/core/ui/SideBar
 </div>
 <div class="tw-tab-content">
 <$reveal type="match" state="$:/state/sideBarTabSet" text="openTab" qualifyTiddlerTitles="yes">
-<$list filter="[list[$:/StoryList]]" history="$:/HistoryList" itemClass="tw-menu-list-item">
+<$list filter="[list[$:/StoryList]]" history="$:/HistoryList" listview="pop" itemClass="tw-menu-list-item tw-open-tiddler-list">
 <$button message="tw-close-tiddler" class="btn-invisible btn-mini">&times;</$button> <$view field="title" format="link"/>
 </$list>
 <$button message="tw-close-all-tiddlers" class="btn-invisible btn-mini">close all</$button>
diff --git a/themes/tiddlywiki/snowwhite/base.tid b/themes/tiddlywiki/snowwhite/base.tid
index 31ca11af8..ec703c061 100644
--- a/themes/tiddlywiki/snowwhite/base.tid
+++ b/themes/tiddlywiki/snowwhite/base.tid
@@ -30,6 +30,13 @@ tags: [[$:/tags/stylesheet]]
           transition: $transition$;
 ```
 \end
+\define transform-origin(origin)
+```
+  -webkit-transform-origin: $origin$;
+     -moz-transform-origin: $origin$;
+          transform-origin: $origin$;
+```
+\end
 \define background-linear-gradient(gradient)
 ```
 background-image: linear-gradient($gradient$);
@@ -300,6 +307,10 @@ a.tw-tiddlylink-missing {
 	white-space: nowrap;
 }
 
+.tw-open-tiddler-list {
+	<<transform-origin "0% 0%">>
+}
+
 .tw-menu-list-subitem {
 	padding-left: 0.5em;
 }