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

The only way I found to solve this problem was to write some css rules for the calendarExtender. It worked for me. The code is below:

https://gist.github.com/carlosmr12/5825371