Created Issue: BalloonPopupExtender to make popup with auto hieght and width [27104]

Hi all,

I am using balloon popup Extender for my tooltip Popup, i have made BalloonStyle ="Custom" and applied Custom CSS for balloon popup Extender , with auto width and height...

but its not making it auto.... it is overwriting my popup div width and height with just 4px !!! :( , i have no idea how to make it work....

can anybody have idea on this?
Thanks
Meghana