diff --git a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
index 4f94211..0ae513a 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
@@ -4,114 +4,129 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    d:DesignHeight="450"
-    d:DesignWidth="800"
     mc:Ignorable="d">
-    <StackPanel HorizontalAlignment="Left" Spacing="20">
-        <TextBlock>Light (Default)</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <Button Classes="Primary">Primary</Button>
-            <Button Classes="Secondary">Secondary</Button>
-            <Button Classes="Tertiary">Tertiary</Button>
-            <Button Classes="Success">Success</Button>
-            <Button Classes="Warning">Warning</Button>
-            <Button Classes="Danger">Danger</Button>
-            <Button Classes="Primary" IsEnabled="False">Danger</Button>
+    <ScrollViewer>
+        <StackPanel HorizontalAlignment="Left" Spacing="20">
+            <TextBlock>Light (Default)</TextBlock>
+            <StackPanel Orientation="Horizontal" Spacing="20">
+                <Button Classes="Primary">Primary</Button>
+                <Button Classes="Secondary">Secondary</Button>
+                <Button Classes="Tertiary">Tertiary</Button>
+                <Button Classes="Success">Success</Button>
+                <Button Classes="Warning">Warning</Button>
+                <Button Classes="Danger">Danger</Button>
+                <Button Classes="Primary" IsEnabled="False">Danger</Button>
+            </StackPanel>
+            <StackPanel Orientation="Horizontal" Spacing="20">
+                <Button Classes="Primary Small">Small</Button>
+                <Button Classes="Primary">Default</Button>
+                <Button Classes="Primary Large">Large</Button>
+            </StackPanel>
+            <TextBlock>Solid</TextBlock>
+            <StackPanel Orientation="Horizontal" Spacing="20">
+                <Button Classes="Primary" Theme="{DynamicResource SolidButton}">Primary</Button>
+                <Button Classes="Secondary" Theme="{DynamicResource SolidButton}">Secondary</Button>
+                <Button Classes="Tertiary" Theme="{DynamicResource SolidButton}">Tertiary</Button>
+                <Button Classes="Success" Theme="{DynamicResource SolidButton}">Success</Button>
+                <Button Classes="Warning" Theme="{DynamicResource SolidButton}">Warning</Button>
+                <Button Classes="Danger" Theme="{DynamicResource SolidButton}">Danger</Button>
+                <Button
+                    Classes="Primary"
+                    IsEnabled="False"
+                    Theme="{DynamicResource SolidButton}">
+                    Danger
+                </Button>
+            </StackPanel>
+            <TextBlock>Borderless</TextBlock>
+            <StackPanel Orientation="Horizontal" Spacing="20">
+                <Button Classes="Primary" Theme="{DynamicResource BorderlessButton}">Primary</Button>
+                <Button Classes="Secondary" Theme="{DynamicResource BorderlessButton}">Secondary</Button>
+                <Button Classes="Tertiary" Theme="{DynamicResource BorderlessButton}">Tertiary</Button>
+                <Button Classes="Success" Theme="{DynamicResource BorderlessButton}">Success</Button>
+                <Button Classes="Warning" Theme="{DynamicResource BorderlessButton}">Warning</Button>
+                <Button Classes="Danger" Theme="{DynamicResource BorderlessButton}">Danger</Button>
+                <Button
+                    Classes="Primary"
+                    IsEnabled="False"
+                    Theme="{DynamicResource BorderlessButton}">
+                    Danger
+                </Button>
+            </StackPanel>
+            <TextBlock>DropDownButton</TextBlock>
+            <StackPanel Orientation="Horizontal" Spacing="8">
+                <DropDownButton Content="Submit">
+                    <DropDownButton.Flyout>
+                        <MenuFlyout Placement="BottomEdgeAlignedRight">
+                            <MenuItem Header="Submit All" />
+                            <MenuItem Header="Submit Updated" />
+                        </MenuFlyout>
+                    </DropDownButton.Flyout>
+                </DropDownButton>
+                <DropDownButton Content="Submit" Theme="{DynamicResource SolidDropDownButton}">
+                    <DropDownButton.Flyout>
+                        <MenuFlyout Placement="BottomEdgeAlignedRight">
+                            <MenuItem Header="Submit All" />
+                            <MenuItem Header="Submit Updated" />
+                        </MenuFlyout>
+                    </DropDownButton.Flyout>
+                </DropDownButton>
+                <DropDownButton Content="Submit" Theme="{DynamicResource BorderlessDropDownButton}">
+                    <DropDownButton.Flyout>
+                        <MenuFlyout Placement="BottomEdgeAlignedRight">
+                            <MenuItem Header="Submit All" />
+                            <MenuItem Header="Submit Updated" />
+                        </MenuFlyout>
+                    </DropDownButton.Flyout>
+                </DropDownButton>
+            </StackPanel>
+            <StackPanel Orientation="Horizontal" Spacing="8">
+                <SplitButton Content="Submit">
+                    <SplitButton.Flyout>
+                        <MenuFlyout Placement="BottomEdgeAlignedRight">
+                            <MenuItem Header="Submit All" />
+                            <MenuItem Header="Submit Updated" />
+                        </MenuFlyout>
+                    </SplitButton.Flyout>
+                </SplitButton>
+                <SplitButton Classes="Secondary" Content="Submit" />
+                <SplitButton Classes="Tertiary" Content="Submit" />
+                <SplitButton Classes="Success" Content="Submit" />
+                <SplitButton Classes="Warning" Content="Submit" />
+                <SplitButton Classes="Danger" Content="Submit" />
+                <SplitButton
+                    Classes="Danger"
+                    Content="Submit"
+                    IsEnabled="False" />
+            </StackPanel>
+            <StackPanel Orientation="Horizontal" Spacing="8">
+                <SplitButton Content="Small" Classes="Small"></SplitButton>
+                <SplitButton Content="Default" ></SplitButton>
+                <SplitButton Content="Large" Classes="Large"></SplitButton>
+            </StackPanel>
+            <StackPanel Orientation="Horizontal" Spacing="8">
+                <ToggleSplitButton Content="Submit">
+                    <ToggleSplitButton.Flyout>
+                        <MenuFlyout Placement="BottomEdgeAlignedRight">
+                            <MenuItem Header="Submit All" />
+                            <MenuItem Header="Submit Updated" />
+                        </MenuFlyout>
+                    </ToggleSplitButton.Flyout>
+                </ToggleSplitButton>
+                <ToggleSplitButton Classes="Secondary" Content="Submit" />
+                <ToggleSplitButton Classes="Tertiary" Content="Submit" />
+                <ToggleSplitButton Classes="Success" Content="Submit" />
+                <ToggleSplitButton Classes="Warning" Content="Submit" />
+                <ToggleSplitButton Classes="Danger" Content="Submit" />
+                <ToggleSplitButton
+                    Classes="Danger"
+                    Content="Submit"
+                    IsEnabled="False" />
+            </StackPanel>
+            <StackPanel Orientation="Horizontal" Spacing="8">
+                <ToggleSplitButton Content="Small" Classes="Small"></ToggleSplitButton>
+                <ToggleSplitButton Content="Default" ></ToggleSplitButton>
+                <ToggleSplitButton Content="Large" Classes="Large"></ToggleSplitButton>
+            </StackPanel>
         </StackPanel>
-        <TextBlock>Solid</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <Button Classes="Primary" Theme="{DynamicResource SolidButton}">Primary</Button>
-            <Button Classes="Secondary" Theme="{DynamicResource SolidButton}">Secondary</Button>
-            <Button Classes="Tertiary" Theme="{DynamicResource SolidButton}">Tertiary</Button>
-            <Button Classes="Success" Theme="{DynamicResource SolidButton}">Success</Button>
-            <Button Classes="Warning" Theme="{DynamicResource SolidButton}">Warning</Button>
-            <Button Classes="Danger" Theme="{DynamicResource SolidButton}">Danger</Button>
-            <Button
-                Classes="Primary"
-                IsEnabled="False"
-                Theme="{DynamicResource SolidButton}">
-                Danger
-            </Button>
-        </StackPanel>
-        <TextBlock>Borderless</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <Button Classes="Primary" Theme="{DynamicResource BorderlessButton}">Primary</Button>
-            <Button Classes="Secondary" Theme="{DynamicResource BorderlessButton}">Secondary</Button>
-            <Button Classes="Tertiary" Theme="{DynamicResource BorderlessButton}">Tertiary</Button>
-            <Button Classes="Success" Theme="{DynamicResource BorderlessButton}">Success</Button>
-            <Button Classes="Warning" Theme="{DynamicResource BorderlessButton}">Warning</Button>
-            <Button Classes="Danger" Theme="{DynamicResource BorderlessButton}">Danger</Button>
-            <Button
-                Classes="Primary"
-                IsEnabled="False"
-                Theme="{DynamicResource BorderlessButton}">
-                Danger
-            </Button>
-        </StackPanel>
-        <TextBlock>DropDownButton</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="8">
-            <DropDownButton Content="Submit">
-                <DropDownButton.Flyout>
-                    <MenuFlyout Placement="BottomEdgeAlignedRight">
-                        <MenuItem Header="Submit All" />
-                        <MenuItem Header="Submit Updated" />
-                    </MenuFlyout>
-                </DropDownButton.Flyout>
-            </DropDownButton>
-            <DropDownButton Content="Submit" Theme="{DynamicResource SolidDropDownButton}">
-                <DropDownButton.Flyout>
-                    <MenuFlyout Placement="BottomEdgeAlignedRight">
-                        <MenuItem Header="Submit All" />
-                        <MenuItem Header="Submit Updated" />
-                    </MenuFlyout>
-                </DropDownButton.Flyout>
-            </DropDownButton>
-            <DropDownButton Content="Submit" Theme="{DynamicResource BorderlessDropDownButton}">
-                <DropDownButton.Flyout>
-                    <MenuFlyout Placement="BottomEdgeAlignedRight">
-                        <MenuItem Header="Submit All" />
-                        <MenuItem Header="Submit Updated" />
-                    </MenuFlyout>
-                </DropDownButton.Flyout>
-            </DropDownButton>
-        </StackPanel>
-        <StackPanel Orientation="Horizontal" Spacing="8">
-            <SplitButton Content="Submit">
-                <SplitButton.Flyout>
-                    <MenuFlyout Placement="BottomEdgeAlignedRight">
-                        <MenuItem Header="Submit All" />
-                        <MenuItem Header="Submit Updated" />
-                    </MenuFlyout>
-                </SplitButton.Flyout>
-            </SplitButton>
-            <SplitButton Classes="Secondary" Content="Submit" />
-            <SplitButton Classes="Tertiary" Content="Submit" />
-            <SplitButton Classes="Success" Content="Submit" />
-            <SplitButton Classes="Warning" Content="Submit" />
-            <SplitButton Classes="Danger" Content="Submit" />
-            <SplitButton
-                Classes="Danger"
-                Content="Submit"
-                IsEnabled="False" />
-        </StackPanel>
-        <StackPanel Orientation="Horizontal" Spacing="8">
-            <ToggleSplitButton Content="Submit">
-                <ToggleSplitButton.Flyout>
-                    <MenuFlyout Placement="BottomEdgeAlignedRight">
-                        <MenuItem Header="Submit All" />
-                        <MenuItem Header="Submit Updated" />
-                    </MenuFlyout>
-                </ToggleSplitButton.Flyout>
-            </ToggleSplitButton>
-            <ToggleSplitButton Classes="Secondary" Content="Submit" />
-            <ToggleSplitButton Classes="Tertiary" Content="Submit" />
-            <ToggleSplitButton Classes="Success" Content="Submit" />
-            <ToggleSplitButton Classes="Warning" Content="Submit" />
-            <ToggleSplitButton Classes="Danger" Content="Submit" />
-            <ToggleSplitButton
-                Classes="Danger"
-                Content="Submit"
-                IsEnabled="False" />
-        </StackPanel>
-    </StackPanel>
+    </ScrollViewer>
 </UserControl>
diff --git a/demo/Semi.Avalonia.Demo/Pages/RepeatButtonDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/RepeatButtonDemo.axaml
index 5bf1e7f..65fe844 100644
--- a/demo/Semi.Avalonia.Demo/Pages/RepeatButtonDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/RepeatButtonDemo.axaml
@@ -48,5 +48,10 @@
                 Danger
             </RepeatButton>
         </StackPanel>
+        <StackPanel Orientation="Horizontal" Spacing="8">
+            <RepeatButton Classes="Small">Small</RepeatButton>
+            <RepeatButton>Default</RepeatButton>
+            <RepeatButton Classes="Large">Large</RepeatButton>
+        </StackPanel>
     </StackPanel>
 </UserControl>
diff --git a/demo/Semi.Avalonia.Demo/Pages/ToggleButtonDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ToggleButtonDemo.axaml
index 5701f79..60e6019 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ToggleButtonDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ToggleButtonDemo.axaml
@@ -28,18 +28,64 @@
             <ToggleButton Classes="Success" IsChecked="True">Success</ToggleButton>
             <ToggleButton Classes="Warning" IsChecked="True">Warning</ToggleButton>
             <ToggleButton Classes="Danger" IsChecked="True">Danger</ToggleButton>
-            <ToggleButton Classes="Danger" IsChecked="True" IsEnabled="False">Danger</ToggleButton>
+            <ToggleButton
+                Classes="Danger"
+                IsChecked="True"
+                IsEnabled="False">
+                Danger
+            </ToggleButton>
         </StackPanel>
         <TextBlock Text="Toggle Button Three State" />
         <StackPanel Orientation="Horizontal" Spacing="20">
-            <ToggleButton IsThreeState="True" IsChecked="{x:Null}">Default</ToggleButton>
-            <ToggleButton Classes="Primary" IsThreeState="True" IsChecked="{x:Null}">Primary</ToggleButton>
-            <ToggleButton Classes="Secondary" IsThreeState="True" IsChecked="{x:Null}">Secondary</ToggleButton>
-            <ToggleButton Classes="Tertiary" IsThreeState="True" IsChecked="{x:Null}">Tertiary</ToggleButton>
-            <ToggleButton Classes="Success" IsThreeState="True" IsChecked="{x:Null}">Success</ToggleButton>
-            <ToggleButton Classes="Warning" IsThreeState="True" IsChecked="{x:Null}">Warning</ToggleButton>
-            <ToggleButton Classes="Danger" IsThreeState="True" IsChecked="{x:Null}">Danger</ToggleButton>
-            <ToggleButton Classes="Danger" IsThreeState="True" IsChecked="{x:Null}" IsEnabled="False">Danger</ToggleButton>
+            <ToggleButton IsChecked="{x:Null}" IsThreeState="True">Default</ToggleButton>
+            <ToggleButton
+                Classes="Primary"
+                IsChecked="{x:Null}"
+                IsThreeState="True">
+                Primary
+            </ToggleButton>
+            <ToggleButton
+                Classes="Secondary"
+                IsChecked="{x:Null}"
+                IsThreeState="True">
+                Secondary
+            </ToggleButton>
+            <ToggleButton
+                Classes="Tertiary"
+                IsChecked="{x:Null}"
+                IsThreeState="True">
+                Tertiary
+            </ToggleButton>
+            <ToggleButton
+                Classes="Success"
+                IsChecked="{x:Null}"
+                IsThreeState="True">
+                Success
+            </ToggleButton>
+            <ToggleButton
+                Classes="Warning"
+                IsChecked="{x:Null}"
+                IsThreeState="True">
+                Warning
+            </ToggleButton>
+            <ToggleButton
+                Classes="Danger"
+                IsChecked="{x:Null}"
+                IsThreeState="True">
+                Danger
+            </ToggleButton>
+            <ToggleButton
+                Classes="Danger"
+                IsChecked="{x:Null}"
+                IsEnabled="False"
+                IsThreeState="True">
+                Danger
+            </ToggleButton>
+        </StackPanel>
+        <StackPanel Orientation="Horizontal">
+            <ToggleButton Classes="Small" IsThreeState="True">Small</ToggleButton>
+            <ToggleButton IsThreeState="True">Default</ToggleButton>
+            <ToggleButton Classes="Large" IsThreeState="True">Large</ToggleButton>
         </StackPanel>
     </StackPanel>
 </UserControl>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Controls/Button.axaml b/src/Semi.Avalonia/Controls/Button.axaml
index 594b759..570e7fb 100644
--- a/src/Semi.Avalonia/Controls/Button.axaml
+++ b/src/Semi.Avalonia/Controls/Button.axaml
@@ -8,27 +8,33 @@
 
     <!--  Button Light  -->
     <ControlTheme x:Key="{x:Type Button}" TargetType="Button">
-        <Setter Property="Button.Background" Value="{DynamicResource ButtonDefaultBackground}" />
-        <Setter Property="Button.Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
-        <Setter Property="Button.BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
-        <Setter Property="Button.CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
-        <Setter Property="Button.BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
-        <Setter Property="Button.Padding" Value="{DynamicResource ButtonDefaultPadding}" />
-        <Setter Property="Button.RenderTransform" Value="none" />
-        <Setter Property="Button.FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
-        <Setter Property="Button.FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
-        <Setter Property="Button.HorizontalContentAlignment" Value="Center" />
-        <Setter Property="Button.VerticalContentAlignment" Value="Center" />
-        <Setter Property="Button.MinHeight" Value="12" />
-        <Setter Property="Button.Cursor" Value="Hand" />
-        <Setter Property="Button.Template">
+        <Setter Property="Background" Value="{DynamicResource ButtonDefaultBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
+        <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
+        <Setter Property="HorizontalAlignment" Value="Center" />
+        <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="RenderTransform" Value="none" />
+        <Setter Property="FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
+        <Setter Property="BackgroundSizing" Value="OuterBorderEdge" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
+        <Setter Property="Cursor" Value="Hand" />
+        <Setter Property="Template">
             <ControlTemplate TargetType="Button">
                 <ContentPresenter
                     x:Name="PART_ContentPresenter"
                     Padding="{TemplateBinding Padding}"
+                    HorizontalAlignment="Stretch"
+                    VerticalAlignment="Stretch"
                     HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                     VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                     Background="{TemplateBinding Background}"
+                    BackgroundSizing="{TemplateBinding BackgroundSizing}"
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
                     Content="{TemplateBinding Content}"
@@ -81,9 +87,11 @@
         </Style>
 
         <Style Selector="^.Large">
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonLargeHeight}" />
             <Setter Property="Padding" Value="{DynamicResource ButtonLargePadding}" />
         </Style>
         <Style Selector="^.Small">
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonSmallHeight}" />
             <Setter Property="Padding" Value="{DynamicResource ButtonSmallPadding}" />
         </Style>
     </ControlTheme>
diff --git a/src/Semi.Avalonia/Controls/DropDownButton.axaml b/src/Semi.Avalonia/Controls/DropDownButton.axaml
index c8bc667..6cc83ab 100644
--- a/src/Semi.Avalonia/Controls/DropDownButton.axaml
+++ b/src/Semi.Avalonia/Controls/DropDownButton.axaml
@@ -4,24 +4,30 @@
     x:CompileBindings="True">
     <!--  Add Resources Here  -->
     <ControlTheme x:Key="{x:Type DropDownButton}" TargetType="DropDownButton">
-        <Setter Property="DropDownButton.Background" Value="{DynamicResource ButtonDefaultBackground}" />
-        <Setter Property="DropDownButton.Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
-        <Setter Property="DropDownButton.BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
-        <Setter Property="DropDownButton.CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
-        <Setter Property="DropDownButton.BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
-        <Setter Property="DropDownButton.Padding" Value="{DynamicResource ButtonDefaultPadding}" />
-        <Setter Property="DropDownButton.RenderTransform" Value="none" />
-        <Setter Property="DropDownButton.FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
-        <Setter Property="DropDownButton.FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
-        <Setter Property="DropDownButton.HorizontalContentAlignment" Value="Center" />
-        <Setter Property="DropDownButton.VerticalContentAlignment" Value="Center" />
-        <Setter Property="DropDownButton.MinHeight" Value="12" />
-        <Setter Property="DropDownButton.Cursor" Value="Hand" />
+        <Setter Property="Background" Value="{DynamicResource ButtonDefaultBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
+        <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
+        <Setter Property="RenderTransform" Value="none" />
+        <Setter Property="HorizontalAlignment" Value="Center" />
+        <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="BackgroundSizing" Value="OuterBorderEdge" />
+        <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
+        <Setter Property="Cursor" Value="Hand" />
         <Setter Property="Template">
             <ControlTemplate TargetType="DropDownButton">
                 <Border
                     x:Name="RootBorder"
+                    HorizontalAlignment="Stretch"
+                    VerticalAlignment="Stretch"
                     Background="{TemplateBinding Background}"
+                    BackgroundSizing="{TemplateBinding BackgroundSizing}"
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
                     ClipToBounds="True"
@@ -94,31 +100,35 @@
 
         <Style Selector="^.Large">
             <Setter Property="Padding" Value="{DynamicResource ButtonLargePadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonLargeHeight}" />
         </Style>
         <Style Selector="^.Small">
             <Setter Property="Padding" Value="{DynamicResource ButtonSmallPadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonSmallHeight}" />
         </Style>
     </ControlTheme>
 
     <ControlTheme x:Key="SolidDropDownButton" TargetType="DropDownButton">
-        <Setter Property="DropDownButton.Foreground" Value="{DynamicResource ButtonSolidForeground}" />
-        <Setter Property="DropDownButton.Background" Value="{DynamicResource ButtonSolidPrimaryBackground}" />
-        <Setter Property="DropDownButton.BorderBrush" Value="{DynamicResource ButtonSolidPrimaryBorderBrush}" />
-        <Setter Property="DropDownButton.CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
-        <Setter Property="DropDownButton.BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
-        <Setter Property="DropDownButton.Padding" Value="{DynamicResource ButtonDefaultPadding}" />
-        <Setter Property="DropDownButton.RenderTransform" Value="none" />
-        <Setter Property="DropDownButton.FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
-        <Setter Property="DropDownButton.FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
-        <Setter Property="DropDownButton.HorizontalContentAlignment" Value="Center" />
-        <Setter Property="DropDownButton.VerticalContentAlignment" Value="Center" />
-        <Setter Property="DropDownButton.MinHeight" Value="12" />
-        <Setter Property="DropDownButton.Cursor" Value="Hand" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonSolidForeground}" />
+        <Setter Property="Background" Value="{DynamicResource ButtonSolidPrimaryBackground}" />
+        <Setter Property="BackgroundSizing" Value="OuterBorderEdge" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidPrimaryBorderBrush}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
+        <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
+        <Setter Property="RenderTransform" Value="none" />
+        <Setter Property="FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
+        <Setter Property="Cursor" Value="Hand" />
         <Setter Property="Template">
             <ControlTemplate TargetType="DropDownButton">
                 <Border
                     x:Name="RootBorder"
                     Background="{TemplateBinding Background}"
+                    BackgroundSizing="{TemplateBinding BackgroundSizing}"
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
                     ClipToBounds="True"
diff --git a/src/Semi.Avalonia/Controls/RepeatButton.axaml b/src/Semi.Avalonia/Controls/RepeatButton.axaml
index cad9922..309b3ed 100644
--- a/src/Semi.Avalonia/Controls/RepeatButton.axaml
+++ b/src/Semi.Avalonia/Controls/RepeatButton.axaml
@@ -3,24 +3,30 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     x:CompileBindings="True">
     <ControlTheme x:Key="{x:Type RepeatButton}" TargetType="RepeatButton">
-        <Setter Property="RepeatButton.Background" Value="{DynamicResource ButtonDefaultBackground}" />
-        <Setter Property="RepeatButton.Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
-        <Setter Property="RepeatButton.BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
-        <Setter Property="RepeatButton.CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
-        <Setter Property="RepeatButton.BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
-        <Setter Property="RepeatButton.Padding" Value="{DynamicResource ButtonDefaultPadding}" />
-        <Setter Property="RepeatButton.RenderTransform" Value="none" />
-        <Setter Property="RepeatButton.FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
-        <Setter Property="RepeatButton.FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
-        <Setter Property="RepeatButton.HorizontalContentAlignment" Value="Center" />
-        <Setter Property="RepeatButton.VerticalContentAlignment" Value="Center" />
-        <Setter Property="RepeatButton.MinHeight" Value="12" />
-        <Setter Property="RepeatButton.Cursor" Value="Hand" />
-        <Setter Property="RepeatButton.Template">
+        <Setter Property="Background" Value="{DynamicResource ButtonDefaultBackground}" />
+        <Setter Property="BackgroundSizing" Value="OuterBorderEdge" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
+        <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
+        <Setter Property="RenderTransform" Value="none" />
+        <Setter Property="HorizontalAlignment" Value="Center" />
+        <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
+        <Setter Property="Cursor" Value="Hand" />
+        <Setter Property="Template">
             <ControlTemplate TargetType="RepeatButton">
                 <ContentPresenter
-                    x:Name="PART_ContentPresenter"
+                    Name="PART_ContentPresenter"
+                    BackgroundSizing="{TemplateBinding BackgroundSizing}"
                     Padding="{TemplateBinding Padding}"
+                    HorizontalAlignment="Stretch"
+                    VerticalAlignment="Stretch"
                     HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                     VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                     Background="{TemplateBinding Background}"
@@ -77,9 +83,11 @@
 
         <Style Selector="^.Large">
             <Setter Property="Padding" Value="{DynamicResource ButtonLargePadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonLargeHeight}" />
         </Style>
         <Style Selector="^.Small">
             <Setter Property="Padding" Value="{DynamicResource ButtonSmallPadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonSmallHeight}" />
         </Style>
     </ControlTheme>
 
@@ -87,9 +95,9 @@
         x:Key="SolidRepeatButton"
         BasedOn="{StaticResource {x:Type RepeatButton}}"
         TargetType="RepeatButton">
-        <Setter Property="RepeatButton.Foreground" Value="{DynamicResource ButtonSolidForeground}" />
-        <Setter Property="RepeatButton.Background" Value="{DynamicResource ButtonSolidPrimaryBackground}" />
-        <Setter Property="RepeatButton.BorderBrush" Value="{DynamicResource ButtonSolidPrimaryBorderBrush}" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonSolidForeground}" />
+        <Setter Property="Background" Value="{DynamicResource ButtonSolidPrimaryBackground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidPrimaryBorderBrush}" />
 
         <Style Selector="^.Primary">
             <Setter Property="Foreground" Value="{DynamicResource ButtonSolidForeground}" />
diff --git a/src/Semi.Avalonia/Controls/SplitButton.axaml b/src/Semi.Avalonia/Controls/SplitButton.axaml
index 66644d1..b33d003 100644
--- a/src/Semi.Avalonia/Controls/SplitButton.axaml
+++ b/src/Semi.Avalonia/Controls/SplitButton.axaml
@@ -2,80 +2,86 @@
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     x:CompileBindings="True">
+    <Design.PreviewWith>
+        <StackPanel Margin="20">
+            <SplitButton>Hello</SplitButton>
+        </StackPanel>
+    </Design.PreviewWith>
 
     <ControlTheme x:Key="{x:Type SplitButton}" TargetType="SplitButton">
-        <Setter Property="SplitButton.Background" Value="{DynamicResource ButtonDefaultBackground}" />
-        <Setter Property="SplitButton.Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
-        <Setter Property="SplitButton.BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
-        <Setter Property="SplitButton.CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
-        <Setter Property="SplitButton.BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
-        <Setter Property="SplitButton.Padding" Value="{DynamicResource ButtonDefaultPadding}" />
-        <Setter Property="SplitButton.RenderTransform" Value="none" />
-        <Setter Property="SplitButton.FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
-        <Setter Property="SplitButton.FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
-        <Setter Property="SplitButton.HorizontalContentAlignment" Value="Center" />
-        <Setter Property="SplitButton.VerticalContentAlignment" Value="Center" />
-        <Setter Property="SplitButton.MinHeight" Value="12" />
+        <Setter Property="Background" Value="{DynamicResource ButtonDefaultBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultPrimaryForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ButtonDefaultBorderBrush}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource ButtonCornerRadius}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource ButtonBorderThickness}" />
+        <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
+        <Setter Property="RenderTransform" Value="none" />
+        <Setter Property="HorizontalAlignment" Value="Center"/>
+        <Setter Property="VerticalAlignment" Value="Center"/>
+        <Setter Property="FontSize" Value="{DynamicResource ButtonDefaultFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource ButtonDefaultFontWeight}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
         <Setter Property="Template">
             <ControlTemplate TargetType="SplitButton">
-                <Grid ColumnDefinitions="*,Auto,Auto">
-                    <Button
-                        x:Name="PART_PrimaryButton"
-                        Grid.Column="0"
-                        Padding="{TemplateBinding Padding}"
-                        HorizontalAlignment="Stretch"
-                        VerticalAlignment="Stretch"
-                        HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
-                        VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
-                        Background="{TemplateBinding Background}"
-                        BorderBrush="{TemplateBinding BorderBrush}"
-                        BorderThickness="{TemplateBinding BorderThickness}"
-                        Command="{TemplateBinding Command}"
-                        CommandParameter="{TemplateBinding CommandParameter}"
-                        Content="{TemplateBinding Content}"
-                        ContentTemplate="{TemplateBinding ContentTemplate}"
-                        CornerRadius="3 0 0 3"
-                        Focusable="False"
-                        FontFamily="{TemplateBinding FontFamily}"
-                        FontSize="{TemplateBinding FontSize}"
-                        FontWeight="{TemplateBinding FontWeight}"
-                        Foreground="{TemplateBinding Foreground}"
-                        KeyboardNavigation.IsTabStop="False" />
-
-                    <Border
-                        x:Name="SeparatorBorder"
-                        Grid.Column="1"
-                        Width="{DynamicResource SplitButtonSeparatorWidth}"
-                        Background="Transparent"
-                        BorderBrush="{TemplateBinding BorderBrush}"
-                        BorderThickness="0.5" />
-
-                    <Button
-                        x:Name="PART_SecondaryButton"
-                        Grid.Column="2"
-                        Padding="4,0"
-                        HorizontalAlignment="Stretch"
-                        VerticalAlignment="Stretch"
-                        HorizontalContentAlignment="Center"
-                        VerticalContentAlignment="Center"
-                        Background="{TemplateBinding Background}"
-                        BorderBrush="{TemplateBinding BorderBrush}"
-                        BorderThickness="{TemplateBinding BorderThickness}"
-                        CornerRadius="0 3 3 0"
-                        Focusable="False"
-                        Foreground="{TemplateBinding Foreground}"
-                        KeyboardNavigation.IsTabStop="False">
-                        <PathIcon
-                            Width="12"
-                            Height="12"
-                            Data="{DynamicResource SplitButtonIconGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                </Grid>
+                <Border BackgroundSizing="OuterBorderEdge" ClipToBounds="True" CornerRadius="{TemplateBinding CornerRadius}">
+                    <DockPanel >
+                        <Button
+                            x:Name="PART_SecondaryButton"
+                            DockPanel.Dock="Right"
+                            Padding="4,0"
+                            CornerRadius="0"
+                            VerticalAlignment="Stretch"
+                            HorizontalContentAlignment="Center"
+                            VerticalContentAlignment="Center"
+                            MinHeight="{TemplateBinding MinHeight}"
+                            Background="{TemplateBinding Background}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            BorderThickness="{TemplateBinding BorderThickness}"
+                            Focusable="False"
+                            Foreground="{TemplateBinding Foreground}"
+                            KeyboardNavigation.IsTabStop="False">
+                            <PathIcon
+                                Width="12"
+                                Height="12"
+                                Data="{DynamicResource SplitButtonIconGlyph}"
+                                Foreground="{Binding $parent[Button].Foreground}" />
+                        </Button>
+                        <Rectangle
+                            x:Name="SeparatorBorder"
+                            DockPanel.Dock="Right"
+                            Width="{DynamicResource SplitButtonSeparatorWidth}"
+                            VerticalAlignment="Stretch"
+                            Fill="{TemplateBinding BorderBrush}"
+                            StrokeThickness="0" />
+                        <Button
+                            x:Name="PART_PrimaryButton"
+                            CornerRadius="0"
+                            Padding="{TemplateBinding Padding}"
+                            HorizontalAlignment="Stretch"
+                            VerticalAlignment="Stretch"
+                            HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                            VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
+                            MinHeight="{TemplateBinding MinHeight}"
+                            Background="{TemplateBinding Background}"
+                            BorderBrush="{TemplateBinding BorderBrush}"
+                            BorderThickness="{TemplateBinding BorderThickness}"
+                            Command="{TemplateBinding Command}"
+                            CommandParameter="{TemplateBinding CommandParameter}"
+                            Content="{TemplateBinding Content}"
+                            ContentTemplate="{TemplateBinding ContentTemplate}"
+                            Focusable="False"
+                            FontFamily="{TemplateBinding FontFamily}"
+                            FontSize="{TemplateBinding FontSize}"
+                            FontWeight="{TemplateBinding FontWeight}"
+                            Foreground="{TemplateBinding Foreground}"
+                            KeyboardNavigation.IsTabStop="False" />
+                    </DockPanel>
+                </Border>
             </ControlTemplate>
         </Setter>
-
-
+        
         <Style Selector="^.Secondary /template/ Button">
             <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultSecondaryForeground}" />
         </Style>
@@ -117,12 +123,18 @@
                 <Setter Property="Foreground" Value="{DynamicResource ButtonSolidForeground}" />
             </Style>
         </Style>
-        <Style Selector="^.Large /template/ Button">
+        <Style Selector="^.Large /template/ Button#PART_PrimaryButton">
             <Setter Property="Padding" Value="{DynamicResource ButtonLargePadding}" />
         </Style>
-        <Style Selector="^.Small /template/ Button">
+        <Style Selector="^.Large">
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonLargeHeight}" />
+        </Style>
+        <Style Selector="^.Small /template/ Button#PART_PrimaryButton">
             <Setter Property="Padding" Value="{DynamicResource ButtonSmallPadding}" />
         </Style>
+        <Style Selector="^.Small">
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonSmallHeight}" />
+        </Style>
         <Style Selector="^:disabled /template/ Button">
             <Setter Property="Background" Value="{DynamicResource ButtonDefaultDisabledBackground}" />
             <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultDisabledForeground}" />
diff --git a/src/Semi.Avalonia/Controls/ToggleButton.axaml b/src/Semi.Avalonia/Controls/ToggleButton.axaml
index 3393064..8add279 100644
--- a/src/Semi.Avalonia/Controls/ToggleButton.axaml
+++ b/src/Semi.Avalonia/Controls/ToggleButton.axaml
@@ -20,24 +20,30 @@
         </StackPanel>
     </Design.PreviewWith>
     <ControlTheme x:Key="{x:Type ToggleButton}" TargetType="ToggleButton">
-        <Setter Property="ToggleButton.Background" Value="{DynamicResource ToggleButtonDefaultBackground}" />
-        <Setter Property="ToggleButton.Foreground" Value="{DynamicResource ToggleButtonDefaultPrimaryForeground}" />
-        <Setter Property="ToggleButton.BorderBrush" Value="{DynamicResource ToggleButtonDefaultBorderBrush}" />
-        <Setter Property="ToggleButton.CornerRadius" Value="{DynamicResource ToggleButtonCornerRadius}" />
-        <Setter Property="ToggleButton.BorderThickness" Value="{DynamicResource ToggleButtonBorderThickness}" />
-        <Setter Property="ToggleButton.Padding" Value="{DynamicResource ToggleButtonDefaultPadding}" />
-        <Setter Property="ToggleButton.RenderTransform" Value="none" />
-        <Setter Property="ToggleButton.FontSize" Value="{DynamicResource ToggleButtonDefaultFontSize}" />
-        <Setter Property="ToggleButton.FontWeight" Value="{DynamicResource ToggleButtonDefaultFontWeight}" />
-        <Setter Property="ToggleButton.HorizontalContentAlignment" Value="Center" />
-        <Setter Property="ToggleButton.VerticalContentAlignment" Value="Center" />
-        <Setter Property="ToggleButton.MinHeight" Value="12" />
-        <Setter Property="ToggleButton.Cursor" Value="Hand" />
-        <Setter Property="ToggleButton.Template">
+        <Setter Property="Background" Value="{DynamicResource ToggleButtonDefaultBackground}" />
+        <Setter Property="BackgroundSizing" Value="OuterBorderEdge" />
+        <Setter Property="Foreground" Value="{DynamicResource ToggleButtonDefaultPrimaryForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ToggleButtonDefaultBorderBrush}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource ToggleButtonCornerRadius}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource ToggleButtonBorderThickness}" />
+        <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
+        <Setter Property="RenderTransform" Value="none" />
+        <Setter Property="FontSize" Value="{DynamicResource ToggleButtonDefaultFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource ToggleButtonDefaultFontWeight}" />
+        <Setter Property="HorizontalAlignment" Value="Center"/>
+        <Setter Property="VerticalAlignment" Value="Center"/>
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
+        <Setter Property="Cursor" Value="Hand" />
+        <Setter Property="Template">
             <ControlTemplate TargetType="ToggleButton">
                 <ContentPresenter
                     x:Name="PART_ContentPresenter"
+                    BackgroundSizing="{TemplateBinding BackgroundSizing}"
                     Padding="{TemplateBinding Padding}"
+                    HorizontalAlignment="Stretch"
+                    VerticalAlignment="Stretch"
                     HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                     VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                     Background="{TemplateBinding Background}"
@@ -252,9 +258,11 @@
 
         <Style Selector="^.Large">
             <Setter Property="Padding" Value="{DynamicResource ButtonLargePadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonLargeHeight}" />
         </Style>
         <Style Selector="^.Small">
             <Setter Property="Padding" Value="{DynamicResource ButtonSmallPadding}" />
+            <Setter Property="MinHeight" Value="{DynamicResource ButtonSmallHeight}" />
         </Style>
     </ControlTheme>
 </ResourceDictionary>
diff --git a/src/Semi.Avalonia/Themes/Shared/Button.axaml b/src/Semi.Avalonia/Themes/Shared/Button.axaml
index 0532163..5eeb288 100644
--- a/src/Semi.Avalonia/Themes/Shared/Button.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/Button.axaml
@@ -1,10 +1,14 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <x:Double x:Key="ButtonDefaultFontSize">14</x:Double>
-    <FontWeight x:Key="ButtonDefaultFontWeight">600</FontWeight>
+    <FontWeight x:Key="ButtonDefaultFontWeight">Normal</FontWeight>
 
     <Thickness x:Key="ButtonDefaultPadding">12 6</Thickness>
     <Thickness x:Key="ButtonLargePadding">16 10</Thickness>
     <Thickness x:Key="ButtonSmallPadding">6 2</Thickness>
+    
+    <x:Double x:Key="ButtonDefaultHeight">32</x:Double>
+    <x:Double x:Key="ButtonSmallHeight">24</x:Double>
+    <x:Double x:Key="ButtonLargeHeight">40</x:Double>
 
     <Thickness x:Key="ButtonBorderThickness">1</Thickness>
 
diff --git a/src/Semi.Avalonia/Themes/Shared/ToggleButton.axaml b/src/Semi.Avalonia/Themes/Shared/ToggleButton.axaml
index 71237b0..d710794 100644
--- a/src/Semi.Avalonia/Themes/Shared/ToggleButton.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/ToggleButton.axaml
@@ -1,8 +1,7 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <x:Double x:Key="ToggleButtonDefaultFontSize">14</x:Double>
-    <FontWeight x:Key="ToggleButtonDefaultFontWeight">600</FontWeight>
-
-    <Thickness x:Key="ToggleButtonDefaultPadding">12 6</Thickness>
+    <FontWeight x:Key="ToggleButtonDefaultFontWeight">Normal</FontWeight>
+    
     <Thickness x:Key="ToggleButtonBorderThickness">1</Thickness>
     <CornerRadius x:Key="ToggleButtonCornerRadius">3</CornerRadius>
 </ResourceDictionary>
\ No newline at end of file