    <!-- Style that will be applied to all buttons -->
    <Style TargetType="{x:Type Button}">
      <Setter Property="Background" Value="Orange" />
      <Setter Property="BorderBrush" Value="Crimson" />
      <Setter Property="FontSize" Value="20" />
      <Setter Property="FontWeight" Value="Bold" />
      <Setter Property="Margin" Value="5" />
    </Style>