<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" HorizontalAlignment="Center" VerticalAlignment="Center"> <StackPanel> <Rectangle Fill="#8f8" Width="1010" Height="20" /> <Rectangle Fill="#1168ff" Width="510" Height="40" /> <Rectangle Fill="#8ff0" Width="1130" Height="110" /> <Rectangle Fill="#72ff8890" Width="170" Height="310" /> <Rectangle Fill="sc# 0.8,0.1442,0.429,0.94" Width="10" Height="20" /> </StackPanel> </Page>