diff --git a/includes/templates/Sidebar.mustache b/includes/templates/Sidebar.mustache
index 85a491a..dab6422 100644
--- a/includes/templates/Sidebar.mustache
+++ b/includes/templates/Sidebar.mustache
@@ -9,11 +9,11 @@
 	emphasized-sidebar-action data-emphasized-sidebar-action For displaying an emphasized action in the sidebar.
 }}
 
-<div id="mw-panel">
+<div id="mw-panel" class="mw-sidebar">
 	{{#data-portals-first}}{{>Menu}}{{/data-portals-first}}
 	{{#data-emphasized-sidebar-action}}
-	<div class="vector-emphasized-sidebar-action">
-		<a class="vector-emphasized-sidebar-action-link" title="{{title}}" href="{{href}}">{{text}}</a>
+	<div class="mw-sidebar-action">
+		<a class="mw-sidebar-action-link" title="{{title}}" href="{{href}}">{{text}}</a>
 	</div>
 	{{/data-emphasized-sidebar-action}}
 	{{#array-portals-rest}}{{>Menu}}{{/array-portals-rest}}
diff --git a/resources/skins.vector.styles/EmphasizedSidebarAction.less b/resources/skins.vector.styles/EmphasizedSidebarAction.less
deleted file mode 100644
index 44375b4..0000000
--- a/resources/skins.vector.styles/EmphasizedSidebarAction.less
+++ /dev/null
@@ -1,12 +0,0 @@
-@import '../../variables.less';
-
-.vector-emphasized-sidebar-action {
-	// Align with the portal heading/links
-	// `.portal` + `.portal .body`
-	margin: 8px @margin-end-portal 8px @margin-start-portal + @margin-start-portal-body;
-}
-
-.vector-emphasized-sidebar-action-link {
-	font-size: @font-size-portal-list-item;
-	font-weight: bold;
-}
diff --git a/resources/skins.vector.styles/Sidebar.less b/resources/skins.vector.styles/Sidebar.less
index 9c4e5d1..d01d8e1 100644
--- a/resources/skins.vector.styles/Sidebar.less
+++ b/resources/skins.vector.styles/Sidebar.less
@@ -1,2 +1,13 @@
 @import '../../variables.less';
 @import 'legacy/Sidebar.less';
+
+.mw-sidebar-action {
+	// Align with the portal heading/links
+	// `.portal` + `.portal .body`
+	margin: 8px @margin-end-portal 8px @margin-start-portal + @margin-start-portal-body;
+}
+
+.mw-sidebar-action-link {
+	font-size: @font-size-portal-list-item;
+	font-weight: bold;
+}
diff --git a/resources/skins.vector.styles/index.less b/resources/skins.vector.styles/index.less
index 43aa67e..78690c6 100644
--- a/resources/skins.vector.styles/index.less
+++ b/resources/skins.vector.styles/index.less
@@ -21,7 +21,6 @@
 	@import 'Sidebar.less';
 	@import 'SidebarLogo.less';
 	@import 'Footer.less';
-	@import 'EmphasizedSidebarAction.less';
 }
 
 // Support: IE8