WPF Static ToolBar.ButtonStyleKey

<Window x:Class="WpfApp33.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:WpfApp33"
        WindowState="Maximized"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Window.Resources>
        <Style x:Key="{x:Static ToolBar.ButtonStyleKey}"
               TargetType="{x:Type Button}">
            <Setter Property="Width" Value="200"/>
            <Setter Property="FontSize" Value="50"/>
            <Setter Property="Height" Value="100"/>
            <Setter Property="FontWeight" Value="ExtraBold"/>
            <Setter Property="Background" Value="Wheat"/>
            <Setter Property="Foreground" Value="Black"/>
            <Setter Property="ForceCursor" Value="True"/>
        </Style>
    </Window.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <ToolBar Grid.Row="0">
            <Button>New</Button>
            <Button>Open</Button>
            <Button>Save</Button>
            <Button>Save As</Button>
            <Button>Export</Button>
            <Button>Help</Button>
        </ToolBar>
        <Border Grid.Row="1" BorderBrush="Blue" BorderThickness="5"/>
    </Grid>
</Window>