WPF TabControl美化

<Window.Resources>
        <!--  TabItem的样式  -->
        <Style TargetType="{x:Type TabItem}">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TabItem}">
                        <Grid>
                            <!--  主Border  -->
                            <Border
                                Name="bd"
                                Margin="5,10,5,0"
                                Background="{TemplateBinding Background}"
                                BorderBrush="Gray"
                                BorderThickness="3"
                                CornerRadius="7">
                                <ContentPresenter
                                    Margin="20,10"
                                    VerticalAlignment="Center"
                                    ContentSource="Header" />
                            </Border>
                        </Grid>

                        <ControlTemplate.Triggers>
                            <Trigger Property="IsSelected" Value="True">
                                <Setter TargetName="bd" Property="BorderThickness" Value="2" />
                                <Setter TargetName="bd" Property="Margin" Value="0" />
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="True" />
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Setter Property="Foreground" Value="Black" />
            <Setter Property="FontSize" Value="18" />
        </Style>



        <!--  TabControl的样式  -->
        <Style TargetType="{x:Type TabControl}">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TabControl}">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="*" />
                            </Grid.RowDefinitions>
                            <Border Padding="10">
                                <TabPanel IsItemsHost="True" />
                            </Border>
                            <Border
                                Grid.Row="1"
                                Padding="10"
                                BorderBrush="Gray"
                                BorderThickness="2">
                                <ContentPresenter Name="PART_SelectedContentHost" ContentSource="SelectedContent" />
                            </Border>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Window.Resources>



    <TabControl>
        <TabItem Background="#FFFFFF72" Header="aaa">test</TabItem>
        <TabItem Background="#FFAEFF7A" Header="bbb">
            <DockPanel>
                <Button DockPanel.Dock="Bottom">hehe</Button>
                <TextBox />
            </DockPanel>
        </TabItem>
        <TabItem Background="#FFA6D5FF" Header="ccc">test</TabItem>
    </TabControl>