"Black Walnut Wordpress Theme" - Black Walnut best restaurant WordPress theme by Elmastudio. Black Walnut is a fresh, responsive, minimal Business WordPress theme. The page templates for the front page, an About page, a Menu, Testimonials and Contact page as well as the beautiful, minimal two-column blog layout make Black Walnut the perfect little theme for small businesses like caf?s, restaurants, yoga schools or freelancer businesses.