Adding some color or flare to your divi mobile menu is a nice idea, but what if want to control it on a page by page basis? Yes it is possible with a little bit of CSS.
You may even want the whole top border to be gone and not used at all. The CSS is listed below. You can use this CSS on a page by using the page options custom CSS or add it to the Divi theme option Global CSS.
v.1.7.0
