WPF Styleの設定

<UserControl.Resources>
    <Style x:Key="LabelStyle" TargetType="Label">
        <Setter Property="HorizontalAlignment" Value="Stretch" />
        <Setter Property="HorizontalContentAlignment" Value="Center"/>
        <Setter Property="Margin" Value="2"/>
        <Setter Property="FontSize" Value="16"/>
    </Style>
</UserControl.Resources>
<StackPanel>
    <Label Content="Totla" Style="{StaticResource LabelStyle}"/>
    <Label Content="Average" Style="{StaticResource LabelStyle}"/>
</StackPanel>