Dropdown-nav remove the "hover" and appear complete listing of the menus

Good people,

I have another difficulty that I can not solve, my dropdown menu works with hover, but when it comes to toogle I would like the submenus in x to appear with the hover to be type list, but I am not able to

Follow the image of how it's doing,

I have tried to remove the display: none in the media querys but when doing this the menu is superimposed

Any help?

Thank you!

Hover image to appear superimposed on the menu

Representative image of how you would like me to stay