diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BorderDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BorderDemo.axaml
index ea31df0b..ad354bd3 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BorderDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BorderDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
-             x:Class="HandyControlDemo.UserControl.BorderDemo"
-             Background="{DynamicResource RegionBrush}">
+             x:Class="HandyControlDemo.UserControl.BorderDemo">
     <ScrollViewer>
         <hc:UniformSpacingPanel Margin="32"
                                 Orientation="Vertical"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BrushDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BrushDemo.axaml
index 209747ae..b92289e2 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BrushDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/BrushDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
-             x:Class="HandyControlDemo.UserControl.BrushDemo"
-             Background="{DynamicResource RegionBrush}">
+             x:Class="HandyControlDemo.UserControl.BrushDemo">
     <ScrollViewer>
         <hc:UniformSpacingPanel ChildWrapping="Wrap"
                                 ItemWidth="200"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ButtonDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ButtonDemo.axaml
index ee54c145..c4c72534 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ButtonDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ButtonDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="HandyControlDemo.UserControl.ButtonDemo"
-             xmlns:hc="https://handyorg.github.io/handycontrol"
-             Background="{DynamicResource RegionBrush}">
+             xmlns:hc="https://handyorg.github.io/handycontrol">
     <ScrollViewer>
         <hc:UniformSpacingPanel ChildWrapping="Wrap"
                                 Spacing="32"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/CalendarDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/CalendarDemo.axaml
index 2fd6ff05..489a000a 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/CalendarDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/CalendarDemo.axaml
@@ -1,7 +1,6 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             x:Class="HandyControlDemo.UserControl.CalendarDemo"
-             Background="{DynamicResource RegionBrush}">
+             x:Class="HandyControlDemo.UserControl.CalendarDemo">
     <Calendar Margin="32"
               SelectionMode="MultipleRange" />
 </UserControl>
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/NativeScrollViewerDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/NativeScrollViewerDemo.axaml
index 66280df9..790c854f 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/NativeScrollViewerDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/NativeScrollViewerDemo.axaml
@@ -2,7 +2,6 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="HandyControlDemo.UserControl.NativeScrollViewerDemo"
              xmlns:hc="https://handyorg.github.io/handycontrol"
-             Background="{DynamicResource RegionBrush}"
              MaxWidth="550"
              Height="600">
     <Grid Margin="32"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RadioButtonDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RadioButtonDemo.axaml
index c901c3b9..26705ffb 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RadioButtonDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RadioButtonDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="HandyControlDemo.UserControl.RadioButtonDemo"
-             xmlns:hc="https://handyorg.github.io/handycontrol"
-             Background="{DynamicResource RegionBrush}">
+             xmlns:hc="https://handyorg.github.io/handycontrol">
     <ScrollViewer>
         <hc:UniformSpacingPanel ChildWrapping="Wrap"
                                 Spacing="32"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RepeatButtonDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RepeatButtonDemo.axaml
index d0c5c46a..335fac24 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RepeatButtonDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/RepeatButtonDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="HandyControlDemo.UserControl.RepeatButtonDemo"
-             xmlns:hc="https://handyorg.github.io/handycontrol"
-             Background="{DynamicResource RegionBrush}">
+             xmlns:hc="https://handyorg.github.io/handycontrol">
     <ScrollViewer>
         <hc:UniformSpacingPanel ChildWrapping="Wrap"
                                 Spacing="32"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/SliderDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/SliderDemo.axaml
index 1ce718e0..806e69fa 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/SliderDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/SliderDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="HandyControlDemo.UserControl.SliderDemo"
-             xmlns:hc="https://handyorg.github.io/handycontrol"
-             Background="{DynamicResource RegionBrush}">
+             xmlns:hc="https://handyorg.github.io/handycontrol">
     <ScrollViewer>
         <hc:UniformSpacingPanel Margin="32"
                                 Orientation="Horizontal"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/TextBlockDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/TextBlockDemo.axaml
index 3badadf2..0f86e4ef 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/TextBlockDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/TextBlockDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
-             x:Class="HandyControlDemo.UserControl.TextBlockDemo"
-             Background="{DynamicResource RegionBrush}">
+             x:Class="HandyControlDemo.UserControl.TextBlockDemo">
     <ScrollViewer>
         <hc:UniformSpacingPanel Margin="32"
                                 Spacing="5"
diff --git a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ToggleButtonDemo.axaml b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ToggleButtonDemo.axaml
index aae1c92c..f602cb63 100644
--- a/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ToggleButtonDemo.axaml
+++ b/src/Avalonia/HandyControlDemo_Avalonia/UserControl/Styles/ToggleButtonDemo.axaml
@@ -1,8 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="HandyControlDemo.UserControl.ToggleButtonDemo"
-             xmlns:hc="https://handyorg.github.io/handycontrol"
-             Background="{DynamicResource RegionBrush}">
+             xmlns:hc="https://handyorg.github.io/handycontrol">
     <ScrollViewer>
         <hc:UniformSpacingPanel ChildWrapping="Wrap"
                                 Spacing="32"