Hi, I have a problem with "categories menu", if you go to the first item "laboratorio" it will display a new submenu with alot of items.. if you see the image attach you will see the new submenu should be white solid, but in some parts is transparent so I cant see all the items display, how can I make this submenu color solid, and display all items good, doesnt matter how long the submenu is. please help me thank you