Silly CSS Question about Menu Bar on Upfront, Scribe

hello!

so in my menu, i have added a custom bit, and the custom bit seamlessly picks up a pre-created menu in wordpress appearance. rocking.

the background of that bit of the menu area, however, shows up as a strapping GREY, when the rest of my site is a rowdy PURPLE.

what's the bit i have to fix to make it go transparent like government finances? :smiley:

i have enabled support.