If you want to setup a background image for your mega menu, you can do follow this steps below:

Example: Setup a background image for Blog like this picture.

Example with our Nomos theme, Go to Nomos > Menu Builder > Blog > Edit > WPBakery Page Builder > Edit this row.

– In Row Settings tab, go to Design Options > Background > Add Background and add an image which you want to display like background. At last, don’t forget click “Save Changes” to save your settings.