Selector fix

samples/ControlCatalog/SideBar.xaml

@@ -52,12 +52,16 @@
             </Transitions>
         </Setter>
     </Style>
+    <Style Selector="TabControl.sidebar > TabItem:pointerover">
+        <Setter Property="Opacity" Value="1"/>
+    </Style>
     <Style Selector="TabControl.sidebar > TabItem:pointerover /template/ ContentPresenter#PART_ContentPresenter">
         <Setter Property="Background" Value="Transparent"/>
+    </Style>
+    <Style Selector="TabControl.sidebar > TabItem:selected">
         <Setter Property="Opacity" Value="1"/>
     </Style>
     <Style Selector="TabControl.sidebar > TabItem:selected /template/ ContentPresenter#PART_ContentPresenter">
         <Setter Property="Background" Value="{DynamicResource ThemeAccentBrush2}"/>
-        <Setter Property="Opacity" Value="1"/>
     </Style>
 </Styles>