I'm trying to style my app in a darker UI theme that seems to be very popular these days, but some of the native VFP objects seem to have that battlesip grey frame around them that gets in the way. (See attached screenshot).

How can I make the toolbar border go away or any other trick to make it look better in what I am trying to do?

Also notice the corners on the page tabs how they are square corners with battleship grey corners.