Margin: Left,Top,Right,Bottom

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

      <Border BorderBrush="Cyan" BorderThickness="1">
        <Label Margin="0,8,25,32" Background="Aqua">0,8,25,32</Label>
      </Border>

    </Canvas>

</Window>

