How to define your navigation bar using CSS and CSS3
The nav bar is the place where you can see what’s happening on the screen.
It’s where you see which pages are being navigated and where they are, as well as what content is being displayed.
To do that, you need a good navigation bar.
And to do that you need CSS.
The CSS for the nav bar and its navigation definition is provided by Google CSS.
Navbar Navigation The navigation bar is a simple, yet powerful element.
It displays an icon and a few text boxes to the right of the main navigation bar: