WPF Button ControlTemplate StrokeDashArray IsKeyboardFocused

<Window x:Class="WpfApp156.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        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"
        xmlns:local="clr-namespace:WpfApp156"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Window.Resources>
        <ControlTemplate x:Key="btnTemplate"
                         TargetType="{x:Type Button}">
            <Border BorderBrush="Orange"
                    BorderThickness="5"
                    CornerRadius="10"
                    Background="Red"
                    TextBlock.Foreground="Black">
                <ContentPresenter/>
            </Border>
        </ControlTemplate>

        <ControlTemplate x:Key="btn2Template"
                         TargetType="{x:Type Button}">
            <Border x:Name="border"
                    BorderBrush="Orange"
                    BorderThickness="5"
                    CornerRadius="2"
                    Background="Red"
                    TextBlock.Foreground="Black">
                <Grid>
                    <Rectangle x:Name="focusCue"
                               Visibility="Hidden"
                               Stroke="Black"
                               StrokeThickness="5"
                               StrokeDashArray="1 2"
                               SnapsToDevicePixels="True">                        
                    </Rectangle>               
                <ContentPresenter RecognizesAccessKey="True"
                                  Margin="{TemplateBinding Padding}"></ContentPresenter>
                </Grid>
            </Border>
            <ControlTemplate.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter TargetName="border" Property="Background" Value="DarkRed"/>
                </Trigger>
                <Trigger Property="IsPressed" Value="True">
                    <Setter TargetName="border" Property="Background" Value="IndianRed"/>
                    <Setter TargetName="border" Property="BorderBrush" Value="DarkKhaki"/>
                </Trigger>
                <Trigger Property="IsKeyboardFocused" Value="True">
                    <Setter TargetName="focusCue" Property="Visibility" Value="Visible"/>
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>
    </Window.Resources>
    <StackPanel Margin="5">
        <Button Template="{StaticResource btnTemplate}"
                Padding="5" Margin="5">First Button</Button>
        <Button Template="{StaticResource btn2Template}"
                Padding="5" Margin="5">Second Button</Button>
    </StackPanel>
</Window>