I don't suppose anyone could help. I want to change the debut dropdown menu so that the sub menu's appear vertically in a list rather than horizontally. My shop link is https://nadia-rose-uk.myshopify.com/ and password is flowla
Currently the menu is looking something like:
However I would like to change it to something like this (styling does not matter so much, more just want the dropdown menu and sub menus to appear vertically):
Any help would be much appreciated.