<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <Border BorderBrush="Red"
            BorderThickness="12"
            CornerRadius="24"
            Background="Yellow"
            HorizontalAlignment="Center"
            VerticalAlignment="Center">

        <TextBlock Text="Hello XAML Cruncher!"
                   FontSize="48"
                   Foreground="Blue"
                   Margin="24" />
    </Border>
</Page>