diff --git a/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml b/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml
index ebd07ce..572b0b1 100644
--- a/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml
+++ b/src/Semi.Avalonia/Controls/AutoCompleteBox.axaml
@@ -27,28 +27,25 @@
                             Watermark="{TemplateBinding Watermark}" />
                         <Popup
                             Name="PART_Popup"
-                            MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
                             MaxHeight="{TemplateBinding MaxDropDownHeight}"
                             IsLightDismissEnabled="True"
                             PlacementTarget="{TemplateBinding}">
                             <Border
+                                MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
                                 Margin="{DynamicResource AutoCompleteBoxPopupMargin}"
+                                Padding="{DynamicResource AutoCompleteBoxPopupPadding}"
                                 HorizontalAlignment="Stretch"
                                 Background="{DynamicResource AutoCompleteBoxPopupBackground}"
                                 BorderBrush="{DynamicResource AutoCompleteBoxPopupBorderBrush}"
                                 BorderThickness="{DynamicResource AutoCompleteBoxPopupBorderThickness}"
                                 BoxShadow="{DynamicResource AutoCompleteBoxPopupBoxShadow}"
                                 CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}">
-                                <Border
-                                    CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}"
-                                    ClipToBounds="True">
-                                    <ListBox
-                                        Name="PART_SelectingItemsControl"
-                                        Foreground="{TemplateBinding Foreground}"
-                                        ItemTemplate="{TemplateBinding ItemTemplate}"
-                                        ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                                        ScrollViewer.VerticalScrollBarVisibility="Auto" />
-                                </Border>
+                                <ListBox
+                                    Name="PART_SelectingItemsControl"
+                                    Foreground="{TemplateBinding Foreground}"
+                                    ItemTemplate="{TemplateBinding ItemTemplate}"
+                                    ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                                    ScrollViewer.VerticalScrollBarVisibility="Auto" />
                             </Border>
                         </Popup>
                     </Panel>
@@ -69,28 +66,25 @@
                             Watermark="{TemplateBinding Watermark}" />
                         <Popup
                             Name="PART_Popup"
-                            MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
                             MaxHeight="{TemplateBinding MaxDropDownHeight}"
                             IsLightDismissEnabled="True"
                             PlacementTarget="{TemplateBinding}">
                             <Border
+                                MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
                                 Margin="{DynamicResource AutoCompleteBoxPopupMargin}"
+                                Padding="{DynamicResource AutoCompleteBoxPopupPadding}"
                                 HorizontalAlignment="Stretch"
                                 Background="{DynamicResource AutoCompleteBoxPopupBackground}"
                                 BorderBrush="{DynamicResource AutoCompleteBoxPopupBorderBrush}"
                                 BorderThickness="{DynamicResource AutoCompleteBoxPopupBorderThickness}"
                                 BoxShadow="{DynamicResource AutoCompleteBoxPopupBoxShadow}"
                                 CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}">
-                                <Border
-                                    CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}"
-                                    ClipToBounds="True">
                                     <ListBox
                                         Name="PART_SelectingItemsControl"
                                         Foreground="{TemplateBinding Foreground}"
                                         ItemTemplate="{TemplateBinding ItemTemplate}"
                                         ScrollViewer.HorizontalScrollBarVisibility="Auto"
                                         ScrollViewer.VerticalScrollBarVisibility="Auto" />
-                                </Border>
                             </Border>
                         </Popup>
                     </Panel>
diff --git a/src/Semi.Avalonia/Controls/Calendar.axaml b/src/Semi.Avalonia/Controls/Calendar.axaml
index 35eaac9..c5a7709 100644
--- a/src/Semi.Avalonia/Controls/Calendar.axaml
+++ b/src/Semi.Avalonia/Controls/Calendar.axaml
@@ -95,7 +95,8 @@
                             Name="PART_MonthView"
                             Grid.Row="1"
                             HorizontalAlignment="Stretch"
-                            IsVisible="False">
+                            IsVisible="False"
+                            ColumnDefinitions="*,*,*,*,*,*,*">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="{DynamicResource CalendarItemWeekDayNameHeight}" />
                                 <RowDefinition Height="*" />
@@ -105,33 +106,14 @@
                                 <RowDefinition Height="*" />
                                 <RowDefinition Height="*" />
                             </Grid.RowDefinitions>
-                            <Grid.ColumnDefinitions>
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                            </Grid.ColumnDefinitions>
                         </Grid>
                         <Grid
                             Name="PART_YearView"
                             Grid.Row="1"
                             Background="{TemplateBinding Background}"
-                            IsVisible="False">
-                            <Grid.RowDefinitions>
-                                <RowDefinition Height="*" />
-                                <RowDefinition Height="*" />
-                                <RowDefinition Height="*" />
-                            </Grid.RowDefinitions>
-                            <Grid.ColumnDefinitions>
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                                <ColumnDefinition Width="*" />
-                            </Grid.ColumnDefinitions>
-                        </Grid>
+                            IsVisible="False"
+                            ColumnDefinitions="*,*,*,*"
+                            RowDefinitions="*,*,*" />
                     </Grid>
                 </Border>
             </ControlTemplate>
@@ -151,6 +133,7 @@
         <Setter Property="VerticalContentAlignment" Value="Center" />
         <Setter Property="HorizontalAlignment" Value="Stretch" />
         <Setter Property="VerticalAlignment" Value="Stretch" />
+        <Setter Property="Cursor" Value="Hand" />
         <Setter Property="Template">
             <ControlTemplate TargetType="CalendarButton">
                 <ContentControl
@@ -211,6 +194,7 @@
         <Setter Property="VerticalAlignment" Value="Stretch" />
         <Setter Property="HorizontalContentAlignment" Value="Center" />
         <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="Cursor" Value="Hand" />
         <Setter Property="Template">
             <ControlTemplate TargetType="CalendarDayButton">
                 <ContentControl
diff --git a/src/Semi.Avalonia/Controls/CalendarDatePicker.axaml b/src/Semi.Avalonia/Controls/CalendarDatePicker.axaml
index a6a8032..52c2853 100644
--- a/src/Semi.Avalonia/Controls/CalendarDatePicker.axaml
+++ b/src/Semi.Avalonia/Controls/CalendarDatePicker.axaml
@@ -3,8 +3,8 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     x:CompileBindings="True">
     <Design.PreviewWith>
-        <StackPanel Margin="20" Width="300" Height="400">
-            <CalendarDatePicker Classes="ClearButton" />
+        <StackPanel Margin="20" Width="800" Height="400">
+            <CalendarDatePicker HorizontalAlignment="Center" Classes="ClearButton" />
         </StackPanel>
     </Design.PreviewWith>
     <ControlTheme x:Key="{x:Type CalendarDatePicker}" TargetType="CalendarDatePicker">
@@ -96,25 +96,22 @@
                             <Popup
                                 Name="PART_Popup"
                                 Grid.Column="0"
-                                HorizontalOffset="-8"
                                 IsLightDismissEnabled="True"
-                                PlacementTarget="{TemplateBinding}"
-                                VerticalOffset="-4">
+                                Placement="BottomEdgeAlignedLeft"
+                                PlacementTarget="{TemplateBinding}">
                                 <Border
-                                    Margin="8"
-                                    Background="Transparent"
+                                    Margin="4"
                                     BoxShadow="{DynamicResource CalendarDatePickerPopupBoxShadows}"
                                     CornerRadius="{DynamicResource CalendarCornerRadius}">
                                     <Calendar
                                         Name="PART_Calendar"
-                                        CornerRadius="{Binding $parent[Border].CornerRadius}"
+                                        BorderThickness="0"
                                         DisplayDate="{TemplateBinding DisplayDate}"
                                         DisplayDateEnd="{TemplateBinding DisplayDateEnd}"
                                         DisplayDateStart="{TemplateBinding DisplayDateStart}"
                                         FirstDayOfWeek="{TemplateBinding FirstDayOfWeek}"
                                         IsTodayHighlighted="{TemplateBinding IsTodayHighlighted}"
-                                        SelectedDate="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=SelectedDate, Mode=TwoWay}">
-                                    </Calendar>
+                                        SelectedDate="{TemplateBinding SelectedDate, Mode=TwoWay}" />
                                 </Border>
                             </Popup>
                         </Grid>
diff --git a/src/Semi.Avalonia/Controls/ComboBox.axaml b/src/Semi.Avalonia/Controls/ComboBox.axaml
index 6208479..0db39bc 100644
--- a/src/Semi.Avalonia/Controls/ComboBox.axaml
+++ b/src/Semi.Avalonia/Controls/ComboBox.axaml
@@ -100,9 +100,7 @@
                         <Popup
                             Name="PART_Popup"
                             Grid.Column="0"
-                            MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
                             MaxHeight="{TemplateBinding MaxDropDownHeight}"
-                            ClipToBounds="False"
                             InheritsTransform="True"
                             IsLightDismissEnabled="True"
                             IsOpen="{TemplateBinding IsDropDownOpen, Mode=TwoWay}"
@@ -111,24 +109,22 @@
                             <Border
                                 Name="PopupBorder"
                                 HorizontalAlignment="Stretch"
+                                MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
                                 Margin="{DynamicResource ComboBoxPopupBorderMargin}"
+                                Padding="{DynamicResource ComboBoxPopupBorderPadding}"
                                 Background="{DynamicResource ComboBoxPopupBackground}"
                                 BorderBrush="{DynamicResource ComboBoxPopupBorderBrush}"
                                 BorderThickness="{DynamicResource ComboBoxPopupBorderThickness}"
                                 BoxShadow="{DynamicResource ComboBoxPopupBoxShadow}"
                                 CornerRadius="{DynamicResource ComboBoxPopupBoxCornerRadius}">
-                                <Border
-                                    CornerRadius="{DynamicResource ComboBoxPopupBoxCornerRadius}"
-                                    ClipToBounds="True">
-                                    <ScrollViewer
-                                        HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
-                                        IsDeferredScrollingEnabled="{TemplateBinding ScrollViewer.IsDeferredScrollingEnabled}"
-                                        VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
-                                        <ItemsPresenter
-                                            Name="PART_ItemsPresenter"
-                                            ItemsPanel="{TemplateBinding ItemsPanel}" />
-                                    </ScrollViewer>
-                                </Border>
+                                <ScrollViewer
+                                    HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
+                                    IsDeferredScrollingEnabled="{TemplateBinding ScrollViewer.IsDeferredScrollingEnabled}"
+                                    VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
+                                    <ItemsPresenter
+                                        Name="PART_ItemsPresenter"
+                                        ItemsPanel="{TemplateBinding ItemsPanel}" />
+                                </ScrollViewer>
                             </Border>
                         </Popup>
                     </Grid>
diff --git a/src/Semi.Avalonia/Controls/Menu.axaml b/src/Semi.Avalonia/Controls/Menu.axaml
index e852747..f4f111f 100644
--- a/src/Semi.Avalonia/Controls/Menu.axaml
+++ b/src/Semi.Avalonia/Controls/Menu.axaml
@@ -10,81 +10,77 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="Template">
             <ControlTemplate TargetType="ScrollViewer">
-                <Border 
-                    ClipToBounds="True"
-                    CornerRadius="{TemplateBinding CornerRadius}">
-                    <DockPanel>
-                        <DockPanel.Styles>
-                            <Style Selector="RepeatButton:pressed">
-                                <Setter Property="RenderTransform" Value="{x:Null}" />
-                            </Style>
-                        </DockPanel.Styles>
-                        <RepeatButton
-                            HorizontalAlignment="Stretch"
-                            HorizontalContentAlignment="Center"
-                            Background="Transparent"
-                            BorderThickness="0"
-                            Command="{Binding LineUp, RelativeSource={RelativeSource TemplatedParent}}"
-                            CornerRadius="0"
-                            DockPanel.Dock="Top"
-                            RenderTransform="{x:Null}">
-                            <RepeatButton.IsVisible>
-                                <MultiBinding
-                                    Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}"
-                                    ConverterParameter="0">
-                                    <Binding Path="VerticalScrollBarVisibility"
-                                             RelativeSource="{RelativeSource TemplatedParent}" />
-                                    <Binding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
-                                    <Binding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                                    <Binding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                                </MultiBinding>
-                            </RepeatButton.IsVisible>
-                            <PathIcon
-                                Theme="{DynamicResource InnerPathIcon}"
-                                Data="{DynamicResource MenuScrollViewerUpButtonGlyph}"
-                                Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
-                        </RepeatButton>
-                        <RepeatButton
-                            HorizontalAlignment="Stretch"
-                            HorizontalContentAlignment="Center"
-                            Background="Transparent"
-                            BorderThickness="0"
-                            Command="{Binding LineDown, RelativeSource={RelativeSource TemplatedParent}}"
-                            CornerRadius="0"
-                            DockPanel.Dock="Bottom"
-                            RenderTransform="{x:Null}">
-                            <RepeatButton.IsVisible>
-                                <MultiBinding
-                                    Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}"
-                                    ConverterParameter="100">
-                                    <Binding Path="VerticalScrollBarVisibility"
-                                             RelativeSource="{RelativeSource TemplatedParent}" />
-                                    <Binding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
-                                    <Binding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                                    <Binding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
-                                </MultiBinding>
-                            </RepeatButton.IsVisible>
-                            <PathIcon
-                                Theme="{DynamicResource InnerPathIcon}"
-                                Data="{DynamicResource MenuScrollViewerDownButtonGlyph}"
-                                Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
-                        </RepeatButton>
-                        <ScrollContentPresenter
-                            Name="PART_ContentPresenter"
-                            Margin="{TemplateBinding Padding}"
-                            HorizontalSnapPointsAlignment="{TemplateBinding HorizontalSnapPointsAlignment}"
-                            HorizontalSnapPointsType="{TemplateBinding HorizontalSnapPointsType}"
-                            VerticalSnapPointsAlignment="{TemplateBinding VerticalSnapPointsAlignment}"
-                            VerticalSnapPointsType="{TemplateBinding VerticalSnapPointsType}">
-                            <ScrollContentPresenter.GestureRecognizers>
-                                <ScrollGestureRecognizer
-                                    CanHorizontallyScroll="{Binding CanHorizontallyScroll, ElementName=PART_ContentPresenter}"
-                                    CanVerticallyScroll="{Binding CanVerticallyScroll, ElementName=PART_ContentPresenter}"
-                                    IsScrollInertiaEnabled="{Binding IsScrollInertiaEnabled, RelativeSource={RelativeSource TemplatedParent}}" />
-                            </ScrollContentPresenter.GestureRecognizers>
-                        </ScrollContentPresenter>
-                    </DockPanel>
-                </Border>
+                <DockPanel>
+                    <DockPanel.Styles>
+                        <Style Selector="RepeatButton:pressed">
+                            <Setter Property="RenderTransform" Value="{x:Null}" />
+                        </Style>
+                    </DockPanel.Styles>
+                    <RepeatButton
+                        HorizontalAlignment="Stretch"
+                        HorizontalContentAlignment="Center"
+                        Background="Transparent"
+                        BorderThickness="0"
+                        Command="{Binding LineUp, RelativeSource={RelativeSource TemplatedParent}}"
+                        CornerRadius="0"
+                        DockPanel.Dock="Top"
+                        RenderTransform="{x:Null}">
+                        <RepeatButton.IsVisible>
+                            <MultiBinding
+                                Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}"
+                                ConverterParameter="0">
+                                <Binding Path="VerticalScrollBarVisibility"
+                                         RelativeSource="{RelativeSource TemplatedParent}" />
+                                <Binding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
+                                <Binding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                                <Binding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                            </MultiBinding>
+                        </RepeatButton.IsVisible>
+                        <PathIcon
+                            Theme="{DynamicResource InnerPathIcon}"
+                            Data="{DynamicResource MenuScrollViewerUpButtonGlyph}"
+                            Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
+                    </RepeatButton>
+                    <RepeatButton
+                        HorizontalAlignment="Stretch"
+                        HorizontalContentAlignment="Center"
+                        Background="Transparent"
+                        BorderThickness="0"
+                        Command="{Binding LineDown, RelativeSource={RelativeSource TemplatedParent}}"
+                        CornerRadius="0"
+                        DockPanel.Dock="Bottom"
+                        RenderTransform="{x:Null}">
+                        <RepeatButton.IsVisible>
+                            <MultiBinding
+                                Converter="{x:Static converters:MenuScrollingVisibilityConverter.Instance}"
+                                ConverterParameter="100">
+                                <Binding Path="VerticalScrollBarVisibility"
+                                         RelativeSource="{RelativeSource TemplatedParent}" />
+                                <Binding Path="Offset.Y" RelativeSource="{RelativeSource TemplatedParent}" />
+                                <Binding Path="Extent.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                                <Binding Path="Viewport.Height" RelativeSource="{RelativeSource TemplatedParent}" />
+                            </MultiBinding>
+                        </RepeatButton.IsVisible>
+                        <PathIcon
+                            Theme="{DynamicResource InnerPathIcon}"
+                            Data="{DynamicResource MenuScrollViewerDownButtonGlyph}"
+                            Foreground="{DynamicResource MenuFlyoutScrollViewerIconForeground}" />
+                    </RepeatButton>
+                    <ScrollContentPresenter
+                        Name="PART_ContentPresenter"
+                        Margin="{TemplateBinding Padding}"
+                        HorizontalSnapPointsAlignment="{TemplateBinding HorizontalSnapPointsAlignment}"
+                        HorizontalSnapPointsType="{TemplateBinding HorizontalSnapPointsType}"
+                        VerticalSnapPointsAlignment="{TemplateBinding VerticalSnapPointsAlignment}"
+                        VerticalSnapPointsType="{TemplateBinding VerticalSnapPointsType}">
+                        <ScrollContentPresenter.GestureRecognizers>
+                            <ScrollGestureRecognizer
+                                CanHorizontallyScroll="{Binding CanHorizontallyScroll, ElementName=PART_ContentPresenter}"
+                                CanVerticallyScroll="{Binding CanVerticallyScroll, ElementName=PART_ContentPresenter}"
+                                IsScrollInertiaEnabled="{Binding IsScrollInertiaEnabled, RelativeSource={RelativeSource TemplatedParent}}" />
+                        </ScrollContentPresenter.GestureRecognizers>
+                    </ScrollContentPresenter>
+                </DockPanel>
             </ControlTemplate>
         </Setter>
     </ControlTheme>
@@ -113,7 +109,6 @@
     <ControlTheme x:Key="{x:Type MenuItem}" TargetType="MenuItem">
         <Setter Property="Background" Value="{DynamicResource MenuItemBackground}" />
         <Setter Property="Foreground" Value="{DynamicResource MenuItemForeground}" />
-        <Setter Property="CornerRadius" Value="{DynamicResource MenuItemCornerRadius}" />
         <Setter Property="Cursor" Value="Hand" />
         <!--  Narrow padding should be used for mouse input, when non-narrow one should be used for touch input in future.  -->
         <Setter Property="Padding" Value="{DynamicResource MenuItemPadding}" />
diff --git a/src/Semi.Avalonia/Themes/Shared/AutoCompleteBox.axaml b/src/Semi.Avalonia/Themes/Shared/AutoCompleteBox.axaml
index aed7afb..3e775cf 100644
--- a/src/Semi.Avalonia/Themes/Shared/AutoCompleteBox.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/AutoCompleteBox.axaml
@@ -1,6 +1,7 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <Thickness x:Key="AutoCompleteBoxPopupBorderThickness">1</Thickness>
     <Thickness x:Key="AutoCompleteBoxPopupMargin">4</Thickness>
+    <Thickness x:Key="AutoCompleteBoxPopupPadding">0 4</Thickness>
     <CornerRadius x:Key="AutoCompleteBoxPopupCornerRadius">6</CornerRadius>
     <x:Double x:Key="AutoCompleteBoxDefaultHeight">32</x:Double>
     <x:Double x:Key="AutoCompleteBoxSmallHeight">24</x:Double>
diff --git a/src/Semi.Avalonia/Themes/Shared/ComboBox.axaml b/src/Semi.Avalonia/Themes/Shared/ComboBox.axaml
index 357c8ec..3f77de7 100644
--- a/src/Semi.Avalonia/Themes/Shared/ComboBox.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/ComboBox.axaml
@@ -14,6 +14,7 @@
         M4.08045 7.59809C4.66624 7.01231 5.61599 7.01231 6.20177 7.59809L11.8586 13.2549L17.5155 7.59809C18.1013 7.01231 19.051 7.01231 19.6368 7.59809C20.2226 8.18388 20.2226 9.13363 19.6368 9.71941L12.9193 16.4369C12.3335 17.0227 11.3838 17.0227 10.798 16.4369L4.08045 9.71941C3.49467 9.13363 3.49467 8.18388 4.08045 7.59809Z
     </StreamGeometry>
     <Thickness x:Key="ComboBoxPopupBorderMargin">4</Thickness>
+    <Thickness x:Key="ComboBoxPopupBorderPadding">0 4</Thickness>
 
     <x:Double x:Key="ComboBoxDefaultHeight">32</x:Double>
     <x:Double x:Key="ComboBoxSmallHeight">24</x:Double>
diff --git a/src/Semi.Avalonia/Themes/Shared/ListBox.axaml b/src/Semi.Avalonia/Themes/Shared/ListBox.axaml
index 371349f..a9cb0b5 100644
--- a/src/Semi.Avalonia/Themes/Shared/ListBox.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/ListBox.axaml
@@ -1,6 +1,6 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <!-- ListBox -->
     <Thickness x:Key="ListBoxItemDefaultPadding">12 8</Thickness>
-    <CornerRadius x:Key="ListBoxItemCornerRadius">3</CornerRadius>
+    <CornerRadius x:Key="ListBoxItemCornerRadius">0</CornerRadius>
 
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/Shared/Menu.axaml b/src/Semi.Avalonia/Themes/Shared/Menu.axaml
index 8043e37..894c6d5 100644
--- a/src/Semi.Avalonia/Themes/Shared/Menu.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/Menu.axaml
@@ -6,7 +6,7 @@
 
     <!--  MenuFlyout  -->
     <Thickness x:Key="MenuFlyoutBorderThickness">1</Thickness>
-    <Thickness x:Key="MenuFlyoutPadding">0</Thickness>
+    <Thickness x:Key="MenuFlyoutPadding">0 4</Thickness>
     <CornerRadius x:Key="MenuFlyoutCornerRadius">6</CornerRadius>
     <x:Double x:Key="MenuFlyoutMinHeight">16</x:Double>
     <x:Double x:Key="MenuFlyoutMinWidth">100</x:Double>