WPF ContextMenu MenuItem style based on

<Window x:Class="WpfApp58.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:WpfApp58"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Window.Resources>
        <Style TargetType="{x:Type MenuItem}" x:Key="miStyle">
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Foreground" Value="Blue"/>
            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter Property="FontSize" Value="50"/>
                    <Setter Property="Foreground" Value="Red"/>
                </Trigger>
            </Style.Triggers>
        </Style>
        <Style TargetType="{x:Type MenuItem}" x:Key="miStyle2">
            <Setter Property="FontSize" Value="20"/>
            <Setter Property="Foreground" Value="Blue"/>
            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter Property="FontSize" Value="50"/>
                    <Setter Property="Foreground" Value="Green"/>
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition/>
            <RowDefinition Height="50"/>
        </Grid.RowDefinitions>
        <DataGrid Grid.Row="1" ItemsSource="{Binding BooksCollection,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" 
                  VerticalAlignment="Stretch" HorizontalAlignment="Stretch" BorderBrush="Blue"
                   BorderThickness="3">
            <DataGrid.ContextMenu>
                <ContextMenu>
                    <ContextMenu.ItemContainerStyle>
                        <Style TargetType="{x:Type MenuItem}" BasedOn="{StaticResource miStyle}"/>
                    </ContextMenu.ItemContainerStyle> 
                    <MenuItem Header="Export Single" />
                    <MenuItem Header="Export Multiple" Style="{StaticResource miStyle2}"/>
                    <MenuItem Header="Copy"/>
                </ContextMenu>
            </DataGrid.ContextMenu>
        </DataGrid>
    </Grid>
</Window>