Foundation 6 drill down template

Hi guys a very happy New year to you all.

I have the latest version of stacks Rw and foundation 6
I am building a new website with the menu in dark green. when I apply the swatch to the menu brilliant, just have to leave a space and add alt for the text to appear as white against the dark green.
The resized menu functions perfectly, but the only visible item on the menu is the carat arrow, the rest is blank until I add a shadow swatch to it
but that doesn’t render too good.
The menu which I think has morphed into a lightbox at this stage does have a dark green border and that’s it, the menu items only show as white 3d effect from the applied shadow swatch. Is there a way to solve this please
Graham