[libadwaita/wip/exalm/tab-overview: 15/16] demo: Add view background to tab pages

[Alexander Mikhaylenko <alexm src gnome org>]

commit 4c6fdbaf654e817912d88c006dd5a642b3feb99d
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Sep 7 02:23:09 2022 +0400

    demo: Add view background to tab pages

 demo/pages/tab-view/adw-tab-view-demo-page.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/demo/pages/tab-view/adw-tab-view-demo-page.ui b/demo/pages/tab-view/adw-tab-view-demo-page.ui
index 9814b990..b98c3ebe 100644
--- a/demo/pages/tab-view/adw-tab-view-demo-page.ui
+++ b/demo/pages/tab-view/adw-tab-view-demo-page.ui
@@ -3,6 +3,9 @@
   <requires lib="gtk" version="4.0"/>
   <requires lib="libadwaita" version="1.0"/>
   <template class="AdwTabViewDemoPage" parent="AdwBin">
+    <style>
+      <class name="view"/>
+    </style>
     <property name="child">
       <object class="GtkEntry" id="title_entry">
         <property name="halign">center</property>