<!DOCTYPE html>
<html>
<body>

<form runat="server">
<asp:Panel id="pan1" runat="server" BackColor="#8FBC8F">
Hello World!
</asp:Panel>
<br> 
<asp:Panel id="pan2" runat="server" HorizontalAlign="Right" BackColor="#8FBC8F">
Hello World!
</asp:Panel></form>

</body>
</html>