The same padding on all four sides

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  Title="About WPF" 
  Background="Red">


    <Canvas>
      <Label Padding="2" Background="Blue">0</Label>
      <Label Padding="8" Background="Blue">10</Label>
    
    </Canvas>

</Window>

