diff --git a/FFUDevelopment/BuildFFUVM_UI.xaml b/FFUDevelopment/BuildFFUVM_UI.xaml
index 14c7107..e849064 100644
--- a/FFUDevelopment/BuildFFUVM_UI.xaml
+++ b/FFUDevelopment/BuildFFUVM_UI.xaml
@@ -173,7 +173,7 @@
             <!-- Content Area -->
             <Grid Grid.Column="1" Margin="12,0,0,0">
                 <!-- Shared page shell -->
-                <Border Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" BorderBrush="{DynamicResource {x:Static SystemColors.ActiveBorderBrushKey}}" BorderThickness="1" CornerRadius="12">
+                <Border Background="{DynamicResource ApplicationBackgroundBrush}" BorderThickness="0" CornerRadius="12">
                     <Grid>
                         <Grid.RowDefinitions>
                             <RowDefinition Height="Auto"/>