Why is my CalendarExtender getting overlapped when rendered?

Question

I\'m working on a .NET web application and I\'m using a CalendarExtender control within it to have the user specify a date. For some reason, when I click the icon to display the

Answer 1

That doesn't look transparent to me, it looks like it's rendering "behind" the other elements. Do you have a "z-index" specified for any items?