The navigation is a cornerstone to any website design, if you want to make your project functional and user-friendly. Besides of the functional side, the navigation should be organized and designed nicely. Here is a professional design with professionally-done navigation - business website template with numbered navigation menu.
This design is made on contrast that is one of major color rules. The background is dark blue, while the menu tabs and many more details are bright yellow. This color combination is easy on eyes and helps users to perceive information better.
Nevertheless, the most distinctive design element of this template is the navigation menu. There are five menu tabs, each enumerated, but with text, so the users see what the pages are about.