Footer menu with sub menus that open upwards

To make the sub menus for your mega menu appear above the menu bar instead of below, go to Mega Menu > Menu Themes and insert the following into the Custom Styling area:

Tip: If you want the sub menu indicator to point upwards instead of downwards, also add the following to the Custom Styling area:

Mobile Menu

To make the mobile sub menu appear above the toggle bar instead of below it, go to Mega Menu > Menu Themes and insert the following into the Custom Styling area: