diff --git a/core/ui/SideBarSegments/search.tid b/core/ui/SideBarSegments/search.tid
index aa752b2c8..529ce74aa 100644
--- a/core/ui/SideBarSegments/search.tid
+++ b/core/ui/SideBarSegments/search.tid
@@ -1,7 +1,7 @@
 title: $:/core/ui/SideBarSegments/search
 tags: $:/tags/SideBarSegment
 
-<div class="tc-sidebar-lists">
+<div class="tc-sidebar-lists tc-sidebar-search">
 
 <$set name="searchTiddler" value="$:/temp/search">
 <div class="tc-search">
diff --git a/core/ui/SideBarSegments/tabs.tid b/core/ui/SideBarSegments/tabs.tid
index f93485c74..8247ecf83 100644
--- a/core/ui/SideBarSegments/tabs.tid
+++ b/core/ui/SideBarSegments/tabs.tid
@@ -1,7 +1,7 @@
 title: $:/core/ui/SideBarSegments/tabs
 tags: $:/tags/SideBarSegment
 
-<div class="tc-sidebar-lists">
+<div class="tc-sidebar-lists tc-sidebar-tabs">
 
 <$macrocall $name="tabs" tabsList="[all[shadows+tiddlers]tag[$:/tags/SideBar]!has[draft.of]]" default={{$:/config/DefaultSidebarTab}} state="$:/state/tab/sidebar" />