diff --git a/DialogHost.Avalonia/DialogHost.axaml b/DialogHost.Avalonia/DialogHost.axaml
index 4cbc445..9fc2b1e 100644
--- a/DialogHost.Avalonia/DialogHost.axaml
+++ b/DialogHost.Avalonia/DialogHost.axaml
@@ -70,6 +70,14 @@
       </ControlTemplate>
     </Setter>
 
+    <Style Selector="^:not(.disable-content-cover-animations) /template/ Rectangle#PART_ContentCover">
+      <Setter Property="Transitions">
+        <Transitions>
+          <DoubleTransition Property="Opacity" Easing="LinearEasing" Duration="0.3" />
+        </Transitions>
+      </Setter>
+    </Style>
+
     <Style Selector="^[IsOpen=True] /template/ Rectangle#PART_ContentCover">
       <Setter Property="IsHitTestVisible" Value="True" />
       <Setter Property="Opacity" Value="0.56" />
diff --git a/DialogHost.Demo/Views/MainWindow.axaml b/DialogHost.Demo/Views/MainWindow.axaml
index 2059f5a..929eeb2 100644
--- a/DialogHost.Demo/Views/MainWindow.axaml
+++ b/DialogHost.Demo/Views/MainWindow.axaml
@@ -53,7 +53,8 @@
               MinHeight="200" MinWidth="200"
               BorderThickness="1" BorderBrush="Black">
         <dialogHostAvalonia:DialogHost Identifier="NoAnimationDialogHost"
-                                       DisableOpeningAnimation="True">
+                                       DisableOpeningAnimation="True"
+                                       Classes="disable-content-cover-animations">
           <Button HorizontalAlignment="Center" VerticalAlignment="Center"
                   Click="OpenNoAnimationDialog">
             Open