I have set a fixed size to the mega menu width and it looks like it is not working. I have attached 2 screen shots. One with the dimensions and one with the code not working.
Take our apologies for the long delay in answering.
To assist you in the best possible manner, I kindly ask that you please provide me temporary wp-admin info (wp-admin URL, username, password) to the Private Content area, this will allow me to thoroughly investigate and address your concerns more efficiently, if it’s possible.