Wow did not know backdrop feature, thanks for interesting fixing the issue. Problem was only on mobile when it introduces element at below which is off the scre

Wow did not know backdrop feature, thanks for interesting fixing the issue. Problem was only on mobile when it introduces element at below which is off the screen. I guess problem was at the #id_sort_group element.Here is the code: https://jsfiddle.net/aqcb8Lmv/1/ https://jsfiddle.net/aqcb8Lmv/1/