WPF删除按钮突出显示但保持边框

<Button Content="删除" Width="100" Height="30">
    <Button.Style>
        <Style TargetType="Button">
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="BorderBrush" Value="Black"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter Property="Background" Value="Red"/>
                    <Setter Property="BorderBrush" Value="Red"/>
                </Trigger>
            </Style.Triggers>
        </Style>
    </Button.Style>
</Button>