<Grid>
        <Grid.Resources>
            <Style TargetType="ToggleButton" x:Key="MenuButton" BasedOn="{StaticResource {x:Type ToggleButton}}">
                <Setter Property="Width" Value="30"/>
                <Setter Property="Height" Value="30"/>
            </Style>
        </Grid.Resources>
        <StackPanel Orientation="Vertical" Width="30">
            <RadioButton Style="{StaticResource MenuButton}"/>
            <RadioButton Style="{StaticResource MenuButton}"/>
            <RadioButton Style="{StaticResource MenuButton}"/>
        </StackPanel>
    </Grid>