change navbar drop down style

in the navbar when " get involved " is droped down , then inside items of drop down is disappear due to it's background style.

here is demo..


so need to change background style

Reproduce the navbar's "Get Involved" dropdown using the linked screenshot, then inspect the navbar styles that control its background and item visibility. Done means all dropdown items remain readable when the menu is open against its background.

Written by the indexing model from the issue text.