I made my top menu(with logo and navigation) fixed so that it follows the scroll. However, once it merges with white background, it looks like it is not separated. Could you share how to create some sort of line that unerlines the whole top navigation bar?
normal when up on top – https://postimg.org/image/5ul0rox8iz/
when scrolled down and merged with white background – https://postimg.org/image/93k4ocpfwr/
