diff --git a/demo/Semi.Avalonia.Demo/Pages/DatePickerDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/DatePickerDemo.axaml
index 3baefe4..cb6c0df 100644
--- a/demo/Semi.Avalonia.Demo/Pages/DatePickerDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/DatePickerDemo.axaml
@@ -14,5 +14,16 @@
         <DatePicker IsEnabled="False" />
         <DatePicker Classes="Large" />
         <DatePicker Classes="Small" />
+        <StackPanel Orientation="Horizontal">
+            <DatePicker Classes="Large" />
+            <DatePicker />
+            <DatePicker Classes="Small" />
+        </StackPanel>
+        <StackPanel Orientation="Horizontal">
+            <DatePicker IsEnabled="False" />
+            <DatePicker Classes="Bordered" />
+            <DatePicker Classes="Bordered" IsEnabled="False" />
+        </StackPanel>
+
     </StackPanel>
 </UserControl>
diff --git a/demo/Semi.Avalonia.Demo/Pages/TimePickerDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/TimePickerDemo.axaml
index c4b3216..c0f7ec8 100644
--- a/demo/Semi.Avalonia.Demo/Pages/TimePickerDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/TimePickerDemo.axaml
@@ -15,5 +15,16 @@
         <TimePicker ClockIdentifier="12HourClock" IsEnabled="False" />
         <TimePicker Classes="Large" />
         <TimePicker Classes="Small" />
+        <StackPanel Orientation="Horizontal">
+            <TimePicker Classes="Large" ClockIdentifier="12HourClock"/>
+            <TimePicker ClockIdentifier="12HourClock"/>
+            <TimePicker Classes="Small" ClockIdentifier="12HourClock"/>
+        </StackPanel>
+        <StackPanel Orientation="Horizontal">
+            <TimePicker IsEnabled="False" />
+            <TimePicker Classes="Bordered" />
+            <TimePicker Classes="Bordered" IsEnabled="False" />
+        </StackPanel>
+
     </StackPanel>
 </UserControl>
diff --git a/src/Semi.Avalonia/Controls/ComboBox.axaml b/src/Semi.Avalonia/Controls/ComboBox.axaml
index b37c66e..1a05313 100644
--- a/src/Semi.Avalonia/Controls/ComboBox.axaml
+++ b/src/Semi.Avalonia/Controls/ComboBox.axaml
@@ -62,6 +62,7 @@
                             Margin="{TemplateBinding Padding}"
                             HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                             VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
+                            TextTrimming="CharacterEllipsis"
                             Foreground="{TemplateBinding Foreground}"
                             IsVisible="{TemplateBinding SelectionBoxItem,
                                                         Converter={x:Static ObjectConverters.IsNull}}"
diff --git a/src/Semi.Avalonia/Controls/DatePicker.axaml b/src/Semi.Avalonia/Controls/DatePicker.axaml
index 7a3210a..515bc26 100644
--- a/src/Semi.Avalonia/Controls/DatePicker.axaml
+++ b/src/Semi.Avalonia/Controls/DatePicker.axaml
@@ -132,6 +132,7 @@
         <Setter Property="CornerRadius" Value="{DynamicResource DateTimePickerButtonCornerRadius}" />
         <Setter Property="HorizontalAlignment" Value="Left" />
         <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonDefaultHeight}" />
         <Setter Property="Template">
             <ControlTemplate TargetType="DatePicker">
                 <DataValidationErrors>
@@ -145,7 +146,7 @@
                             Grid.ColumnSpan="2"
                             Width="298"
                             MinWidth="298"
-                            MinHeight="{DynamicResource DateTimePickerButtonDefaultHeight}"
+                            MinHeight="0"
                             HorizontalAlignment="Stretch"
                             VerticalAlignment="Stretch"
                             Background="{TemplateBinding Background}"
@@ -165,7 +166,7 @@
                                     ColumnDefinitions="78*,Auto,132*,Auto,78*">
                                     <TextBlock
                                         Name="PART_DayTextBlock"
-                                        Padding="12,4"
+                                        Padding="12,0"
                                         HorizontalAlignment="Center"
                                         VerticalAlignment="Center"
                                         FontFamily="{TemplateBinding FontFamily}"
@@ -174,7 +175,7 @@
                                         Text="day" />
                                     <TextBlock
                                         Name="PART_MonthTextBlock"
-                                        Padding="12,4"
+                                        Padding="12,0"
                                         VerticalAlignment="Center"
                                         FontFamily="{TemplateBinding FontFamily}"
                                         FontSize="{TemplateBinding FontSize}"
@@ -183,7 +184,7 @@
                                         TextAlignment="Left" />
                                     <TextBlock
                                         Name="PART_YearTextBlock"
-                                        Padding="12,4"
+                                        Padding="12,0"
                                         HorizontalAlignment="Center"
                                         VerticalAlignment="Center"
                                         FontFamily="{TemplateBinding FontFamily}"
@@ -194,14 +195,16 @@
                                         x:Name="PART_FirstSpacer"
                                         Grid.Column="1"
                                         Width="1"
-                                        Margin="0,4"
+                                        Height="{TemplateBinding Height}"
+                                        MinHeight="{TemplateBinding MinHeight}"
                                         HorizontalAlignment="Center"
                                         Fill="{DynamicResource DateTimePickerSeparatorBackground}" />
                                     <Rectangle
                                         x:Name="PART_SecondSpacer"
                                         Grid.Column="3"
                                         Width="1"
-                                        Margin="0,4"
+                                        Height="{TemplateBinding Height}"
+                                        MinHeight="{TemplateBinding MinHeight}"
                                         HorizontalAlignment="Center"
                                         Fill="{DynamicResource DateTimePickerSeparatorBackground}" />
                                 </Grid>
@@ -255,10 +258,10 @@
         <Style Selector="^:hasnodate /template/ Button#PART_FlyoutButton TextBlock">
             <Setter Property="Foreground" Value="{DynamicResource DateTimePickerEmptyForeground}" />
         </Style>
-        <Style Selector="^.Large /template/ Button#PART_FlyoutButton">
+        <Style Selector="^.Large">
             <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonLargeHeight}" />
         </Style>
-        <Style Selector="^.Small /template/ Button#PART_FlyoutButton">
+        <Style Selector="^.Small">
             <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonSmallHeight}" />
         </Style>
     </ControlTheme>
diff --git a/src/Semi.Avalonia/Controls/DateTimePickerShared.axaml b/src/Semi.Avalonia/Controls/DateTimePickerShared.axaml
index f18ddaf..6addc9c 100644
--- a/src/Semi.Avalonia/Controls/DateTimePickerShared.axaml
+++ b/src/Semi.Avalonia/Controls/DateTimePickerShared.axaml
@@ -6,7 +6,8 @@
 
     <ControlTheme x:Key="DateTimePickerFlyoutButton" TargetType="Button">
         <Setter Property="RenderTransform" Value="none" />
-        <Setter Property="Button.VerticalAlignment" Value="Stretch" />
+        <Setter Property="BackgroundSizing" Value="OuterBorderEdge" />
+        <Setter Property="VerticalAlignment" Value="Stretch" />
         <Setter Property="Template">
             <ControlTemplate>
                 <ContentPresenter
@@ -14,6 +15,7 @@
                     HorizontalContentAlignment="Stretch"
                     VerticalContentAlignment="Stretch"
                     Background="{TemplateBinding Background}"
+                    BackgroundSizing="{TemplateBinding BackgroundSizing}"
                     BorderBrush="{TemplateBinding BorderBrush}"
                     BorderThickness="{TemplateBinding BorderThickness}"
                     Content="{TemplateBinding Content}"
diff --git a/src/Semi.Avalonia/Controls/TimePicker.axaml b/src/Semi.Avalonia/Controls/TimePicker.axaml
index 3e34bd6..3e7a943 100644
--- a/src/Semi.Avalonia/Controls/TimePicker.axaml
+++ b/src/Semi.Avalonia/Controls/TimePicker.axaml
@@ -136,6 +136,7 @@
         <Setter Property="CornerRadius" Value="3" />
         <Setter Property="HorizontalAlignment" Value="Left" />
         <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonDefaultHeight}" />
         <Setter Property="Template">
             <ControlTemplate>
                 <DataValidationErrors>
@@ -149,7 +150,7 @@
                             Grid.ColumnSpan="2"
                             Width="242"
                             MinWidth="242"
-                            MinHeight="{DynamicResource DateTimePickerButtonDefaultHeight}"
+                            MinHeight="0"
                             HorizontalAlignment="Stretch"
                             VerticalAlignment="Stretch"
                             Background="{TemplateBinding Background}"
@@ -171,7 +172,7 @@
                                         VerticalAlignment="Stretch">
                                         <TextBlock
                                             x:Name="PART_HourTextBlock"
-                                            Padding="12,4"
+                                            Padding="12,0"
                                             HorizontalAlignment="Center"
                                             VerticalAlignment="Center"
                                             FontFamily="{TemplateBinding FontFamily}"
@@ -183,7 +184,6 @@
                                         Name="PART_FirstColumnDivider"
                                         Grid.Column="1"
                                         Width="1"
-                                        Margin="0,4"
                                         HorizontalAlignment="Center"
                                         Fill="{DynamicResource DateTimePickerSeparatorBackground}" />
 
@@ -194,7 +194,7 @@
                                         VerticalAlignment="Stretch">
                                         <TextBlock
                                             x:Name="PART_MinuteTextBlock"
-                                            Padding="12,4"
+                                            Padding="12,0"
                                             HorizontalAlignment="Center"
                                             VerticalAlignment="Center"
                                             FontFamily="{TemplateBinding FontFamily}"
@@ -206,7 +206,6 @@
                                         Name="PART_SecondColumnDivider"
                                         Grid.Column="3"
                                         Width="1"
-                                        Margin="0,4"
                                         HorizontalAlignment="Center"
                                         Fill="{DynamicResource DateTimePickerSeparatorBackground}" />
 
@@ -217,7 +216,7 @@
                                         VerticalAlignment="Stretch">
                                         <TextBlock
                                             x:Name="PART_PeriodTextBlock"
-                                            Padding="12,4"
+                                            Padding="12,0"
                                             HorizontalAlignment="Center"
                                             VerticalAlignment="Center"
                                             FontFamily="{TemplateBinding FontFamily}"
@@ -278,10 +277,10 @@
             <Setter Property="Foreground" Value="{DynamicResource DateTimePickerEmptyForeground}" />
         </Style>
 
-        <Style Selector="^.Large /template/ Button#PART_FlyoutButton">
+        <Style Selector="^.Large">
             <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonLargeHeight}" />
         </Style>
-        <Style Selector="^.Small /template/ Button#PART_FlyoutButton">
+        <Style Selector="^.Small">
             <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonSmallHeight}" />
         </Style>
     </ControlTheme>