c#1_11.xaml

<Window.Resources>
  
     <Style TargetType="Label">
  
         <Setter Property="Background" Value="LightGray"/>
         <Setter Property="FontSize" Value="20" />
         <Setter Property="VerticalContentAlignment" Value="Center" />
  
     </Style>
  
     <Style TargetType="Button" x:Key="CellStyle">
  
         <Setter Property="Background" Value="White"/>
         <Setter Property="BorderThickness" Value="2"/>
         <Setter Property="BorderBrush" Value="DarkGray" />
         <Setter Property="FontSize" Value="65" />
  
     </Style>
  
     <Style TargetType="Button" x:Key="ButtonStyle">
  
         <Setter Property="Background" Value="PaleGreen"/>
         <Setter Property="FontSize" Value="20" />
  
     </Style>
  
 </Window.Resources>