diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index c6dc28d9..6a5c8245 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -3930,11 +3930,11 @@
 								<RowDefinition Height="Auto" />
 								<RowDefinition Height="*" />
 							</Grid.RowDefinitions>
-							<Border CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource CornerRadiusSplitConverter}, ConverterParameter='1,1,0,0'}" Background="{Binding Path=(hc:TitleElement.Background),RelativeSource={RelativeSource TemplatedParent}}" Grid.ColumnSpan="3" />
-							<Button x:Name="PART_PreviousButton" Width="50" Foreground="{DynamicResource TextIconBrush}" HorizontalAlignment="Left" Grid.Column="0" Height="50" Padding="16" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource LeftGeometry}" />
-							<Button x:Name="PART_HeaderButton" Focusable="False" Foreground="{DynamicResource TextIconBrush}" Grid.Column="1" FontSize="20" HorizontalAlignment="Center" Grid.Row="0" Style="{StaticResource ButtonCustom}" />
-							<Button x:Name="PART_NextButton" Width="50" Foreground="{DynamicResource TextIconBrush}" HorizontalAlignment="Right" Height="50" Padding="16" Grid.Column="2" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource RightGeometry}" />
-							<Grid Width="240" Height="240" x:Name="PART_MonthView" Margin="10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Visible">
+							<Border Margin="4" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" Background="{Binding Path=(hc:TitleElement.Background),RelativeSource={RelativeSource TemplatedParent}}" Grid.ColumnSpan="3" />
+							<Button x:Name="PART_PreviousButton" Width="50" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Left" Grid.Column="0" Height="50" Padding="16" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource LeftGeometry}" />
+							<Button x:Name="PART_HeaderButton" Focusable="False" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" Grid.Column="1" FontSize="20" HorizontalAlignment="Center" Grid.Row="0" Style="{StaticResource ButtonCustom}" />
+							<Button x:Name="PART_NextButton" Width="50" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Right" Height="50" Padding="16" Grid.Column="2" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource RightGeometry}" />
+							<Grid Width="240" Height="240" x:Name="PART_MonthView" Margin="10,4,10,10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Visible">
 								<Grid.ColumnDefinitions>
 									<ColumnDefinition />
 									<ColumnDefinition />
@@ -3954,7 +3954,7 @@
 									<RowDefinition />
 								</Grid.RowDefinitions>
 							</Grid>
-							<Grid Width="240" Height="240" x:Name="PART_YearView" Margin="10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Hidden">
+							<Grid Width="240" Height="240" x:Name="PART_YearView" Margin="10,4,10,10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Hidden">
 								<Grid.ColumnDefinitions>
 									<ColumnDefinition />
 									<ColumnDefinition />
@@ -3990,17 +3990,18 @@
 		<Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}" />
 		<Setter Property="Language" Value="{Binding Lang,Source={x:Static tools:ConfigHelper.Instance}}" />
 		<Setter Property="BorderThickness" Value="0" />
-		<Setter Property="Margin" Value="8,0,8,8" />
+		<Setter Property="Margin" Value="8 0" />
 		<Setter Property="CalendarDayButtonStyle" Value="{StaticResource CalendarDayButtonStyle}" />
 		<Setter Property="CalendarButtonStyle" Value="{StaticResource CalendarButtonStyle}" />
 		<Setter Property="hc:TitleElement.Background" Value="{DynamicResource TitleBrush}" />
+		<Setter Property="hc:TitleElement.Foreground" Value="{DynamicResource TextIconBrush}" />
 		<Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}" />
 		<Setter Property="Template">
 			<Setter.Value>
 				<ControlTemplate TargetType="Calendar">
-					<hc:SimplePanel>
+					<hc:SimplePanel Margin="0,4,0,8" HorizontalAlignment="Center">
 						<Border CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Effect="{StaticResource EffectShadow2}" />
-						<CalendarItem x:Name="PART_CalendarItem" />
+						<CalendarItem x:Name="PART_CalendarItem" Margin="{TemplateBinding BorderThickness}" />
 					</hc:SimplePanel>
 				</ControlTemplate>
 			</Setter.Value>
@@ -7744,7 +7745,7 @@
 							</Grid.ColumnDefinitions>
 							<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 							<DatePickerTextBox Padding="{TemplateBinding Padding}" x:Name="PART_TextBox" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-							<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+							<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 						</Grid>
 					</Border>
 					<ControlTemplate.Triggers>
@@ -7794,7 +7795,7 @@
 					</Grid.ColumnDefinitions>
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
@@ -7842,7 +7843,7 @@
 					</Grid.ColumnDefinitions>
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
@@ -7914,7 +7915,7 @@
 					<Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}" />
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="2,6,7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
@@ -7989,7 +7990,7 @@
 					<Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}" />
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="2,6,7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml
index b9090c1b..4d93d623 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml
@@ -46,7 +46,7 @@
                             </Grid.ColumnDefinitions>
                             <Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
                             <DatePickerTextBox Padding="{TemplateBinding Padding}" x:Name="PART_TextBox" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                            <Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
+                            <Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
                         </Grid>
                     </Border>
                     <ControlTemplate.Triggers>
@@ -97,7 +97,7 @@
                     </Grid.ColumnDefinitions>
                     <Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
                     <DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                    <Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
+                    <Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
                 </Grid>
             </Border>
         </Grid>
@@ -146,7 +146,7 @@
                     </Grid.ColumnDefinitions>
                     <Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
                     <DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                    <Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
+                    <Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
                 </Grid>
             </Border>
         </Grid>
@@ -220,7 +220,7 @@
                     <Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
                     <Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="2,6,7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
                     <DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                    <Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
+                    <Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
                 </Grid>
             </Border>
         </Grid>
@@ -296,7 +296,7 @@
                     <Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
                     <Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="2,6,7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False"/>
                     <DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                    <Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
+                    <Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False"/>
                 </Grid>
             </Border>
         </Grid>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Calendar.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Calendar.xaml
index 68ba2440..29eccfc8 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Calendar.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Calendar.xaml
@@ -177,11 +177,11 @@
                                 <RowDefinition Height="Auto"/>
                                 <RowDefinition Height="*"/>
                             </Grid.RowDefinitions>
-                            <Border CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource CornerRadiusSplitConverter}, ConverterParameter='1,1,0,0'}" Background="{Binding Path=(hc:TitleElement.Background),RelativeSource={RelativeSource TemplatedParent}}" Grid.ColumnSpan="3"/>
-                            <Button x:Name="PART_PreviousButton" Width="50" Foreground="{DynamicResource TextIconBrush}" HorizontalAlignment="Left" Grid.Column="0" Height="50" Padding="16" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource LeftGeometry}"/>
-                            <Button x:Name="PART_HeaderButton" Focusable="False" Foreground="{DynamicResource TextIconBrush}" Grid.Column="1" FontSize="20" HorizontalAlignment="Center" Grid.Row="0" Style="{StaticResource ButtonCustom}"/>
-                            <Button x:Name="PART_NextButton" Width="50" Foreground="{DynamicResource TextIconBrush}" HorizontalAlignment="Right" Height="50" Padding="16" Grid.Column="2" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource RightGeometry}"/>
-                            <Grid Width="240" Height="240" x:Name="PART_MonthView" Margin="10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Visible">
+                            <Border Margin="4" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" Background="{Binding Path=(hc:TitleElement.Background),RelativeSource={RelativeSource TemplatedParent}}" Grid.ColumnSpan="3"/>
+                            <Button x:Name="PART_PreviousButton" Width="50" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Left" Grid.Column="0" Height="50" Padding="16" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource LeftGeometry}"/>
+                            <Button x:Name="PART_HeaderButton" Focusable="False" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" Grid.Column="1" FontSize="20" HorizontalAlignment="Center" Grid.Row="0" Style="{StaticResource ButtonCustom}"/>
+                            <Button x:Name="PART_NextButton" Width="50" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Right" Height="50" Padding="16" Grid.Column="2" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource RightGeometry}"/>
+                            <Grid Width="240" Height="240" x:Name="PART_MonthView" Margin="10,4,10,10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Visible">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition/>
                                     <ColumnDefinition/>
@@ -201,7 +201,7 @@
                                     <RowDefinition/>
                                 </Grid.RowDefinitions>
                             </Grid>
-                            <Grid Width="240" Height="240" x:Name="PART_YearView" Margin="10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Hidden">
+                            <Grid Width="240" Height="240" x:Name="PART_YearView" Margin="10,4,10,10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Hidden">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition/>
                                     <ColumnDefinition/>
@@ -238,17 +238,18 @@
         <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}"/>
         <Setter Property="Language" Value="{Binding Lang,Source={x:Static tools:ConfigHelper.Instance}}"/>
         <Setter Property="BorderThickness" Value="0"/>
-        <Setter Property="Margin" Value="8,0,8,8"/>
+        <Setter Property="Margin" Value="8 0"/>
         <Setter Property="CalendarDayButtonStyle" Value="{StaticResource CalendarDayButtonStyle}"/>
         <Setter Property="CalendarButtonStyle" Value="{StaticResource CalendarButtonStyle}"/>
         <Setter Property="hc:TitleElement.Background" Value="{DynamicResource TitleBrush}"/>
+        <Setter Property="hc:TitleElement.Foreground" Value="{DynamicResource TextIconBrush}"/>
         <Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}"/>
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="Calendar">
-                    <hc:SimplePanel>
+                    <hc:SimplePanel Margin="0,4,0,8" HorizontalAlignment="Center">
                         <Border CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Effect="{StaticResource EffectShadow2}"/>
-                        <CalendarItem x:Name="PART_CalendarItem"/>
+                        <CalendarItem x:Name="PART_CalendarItem" Margin="{TemplateBinding BorderThickness}"/>
                     </hc:SimplePanel>
                 </ControlTemplate>
             </Setter.Value>
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index 378b71af..6b21ddad 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -3930,11 +3930,11 @@
 								<RowDefinition Height="Auto" />
 								<RowDefinition Height="*" />
 							</Grid.RowDefinitions>
-							<Border CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource CornerRadiusSplitConverter}, ConverterParameter='1,1,0,0'}" Background="{Binding Path=(hc:TitleElement.Background),RelativeSource={RelativeSource TemplatedParent}}" Grid.ColumnSpan="3" />
-							<Button x:Name="PART_PreviousButton" Width="50" Foreground="{DynamicResource TextIconBrush}" HorizontalAlignment="Left" Grid.Column="0" Height="50" Padding="16" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource LeftGeometry}" />
-							<Button x:Name="PART_HeaderButton" Focusable="False" Foreground="{DynamicResource TextIconBrush}" Grid.Column="1" FontSize="20" HorizontalAlignment="Center" Grid.Row="0" Style="{StaticResource ButtonCustom}" />
-							<Button x:Name="PART_NextButton" Width="50" Foreground="{DynamicResource TextIconBrush}" HorizontalAlignment="Right" Height="50" Padding="16" Grid.Column="2" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource RightGeometry}" />
-							<Grid Width="240" Height="240" x:Name="PART_MonthView" Margin="10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Visible">
+							<Border Margin="4" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" Background="{Binding Path=(hc:TitleElement.Background),RelativeSource={RelativeSource TemplatedParent}}" Grid.ColumnSpan="3" />
+							<Button x:Name="PART_PreviousButton" Width="50" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Left" Grid.Column="0" Height="50" Padding="16" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource LeftGeometry}" />
+							<Button x:Name="PART_HeaderButton" Focusable="False" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" Grid.Column="1" FontSize="20" HorizontalAlignment="Center" Grid.Row="0" Style="{StaticResource ButtonCustom}" />
+							<Button x:Name="PART_NextButton" Width="50" Foreground="{Binding Path=(hc:TitleElement.Foreground),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Right" Height="50" Padding="16" Grid.Column="2" Focusable="False" Grid.Row="0" Style="{StaticResource ButtonIcon}" hc:IconElement.Geometry="{StaticResource RightGeometry}" />
+							<Grid Width="240" Height="240" x:Name="PART_MonthView" Margin="10,4,10,10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Visible">
 								<Grid.ColumnDefinitions>
 									<ColumnDefinition />
 									<ColumnDefinition />
@@ -3954,7 +3954,7 @@
 									<RowDefinition />
 								</Grid.RowDefinitions>
 							</Grid>
-							<Grid Width="240" Height="240" x:Name="PART_YearView" Margin="10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Hidden">
+							<Grid Width="240" Height="240" x:Name="PART_YearView" Margin="10,4,10,10" Grid.ColumnSpan="3" Grid.Column="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Visibility="Hidden">
 								<Grid.ColumnDefinitions>
 									<ColumnDefinition />
 									<ColumnDefinition />
@@ -3990,17 +3990,18 @@
 		<Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}" />
 		<Setter Property="Language" Value="{Binding Lang,Source={x:Static tools:ConfigHelper.Instance}}" />
 		<Setter Property="BorderThickness" Value="0" />
-		<Setter Property="Margin" Value="8,0,8,8" />
+		<Setter Property="Margin" Value="8 0" />
 		<Setter Property="CalendarDayButtonStyle" Value="{StaticResource CalendarDayButtonStyle}" />
 		<Setter Property="CalendarButtonStyle" Value="{StaticResource CalendarButtonStyle}" />
 		<Setter Property="hc:TitleElement.Background" Value="{DynamicResource TitleBrush}" />
+		<Setter Property="hc:TitleElement.Foreground" Value="{DynamicResource TextIconBrush}" />
 		<Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}" />
 		<Setter Property="Template">
 			<Setter.Value>
 				<ControlTemplate TargetType="Calendar">
-					<hc:SimplePanel>
+					<hc:SimplePanel Margin="0,4,0,8" HorizontalAlignment="Center">
 						<Border CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Effect="{StaticResource EffectShadow2}" />
-						<CalendarItem x:Name="PART_CalendarItem" />
+						<CalendarItem x:Name="PART_CalendarItem" Margin="{TemplateBinding BorderThickness}" />
 					</hc:SimplePanel>
 				</ControlTemplate>
 			</Setter.Value>
@@ -7862,7 +7863,7 @@
 							</Grid.ColumnDefinitions>
 							<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 							<DatePickerTextBox Padding="{TemplateBinding Padding}" x:Name="PART_TextBox" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-							<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+							<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 						</Grid>
 					</Border>
 					<ControlTemplate.Triggers>
@@ -7912,7 +7913,7 @@
 					</Grid.ColumnDefinitions>
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
@@ -7960,7 +7961,7 @@
 					</Grid.ColumnDefinitions>
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
@@ -8032,7 +8033,7 @@
 					<Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}" />
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="2,6,7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>
@@ -8107,7 +8108,7 @@
 					<Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}" />
 					<Button Height="{x:Static system:Double.NaN}" Style="{StaticResource ButtonIcon}" Padding="2,6,7,6" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" />
 					<DatePickerTextBox x:Name="PART_TextBox" Padding="{TemplateBinding Padding}" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}" />
-					<Popup Grid.Column="0" VerticalOffset="4" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
+					<Popup Grid.Column="0" x:Name="PART_Popup" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=templateRoot}" StaysOpen="False" />
 				</Grid>
 			</Border>
 		</Grid>