title: How to create transparent navigation bar like in new twitter?
body: <p>I want to add navigation bar at the top side of my web site like in new twitter design.
  How can I add it? (please see example below...)</p>
  
  <p><img src="https://i.stack.imgur.com/SiF01.png" alt="http://img546.imageshack.us/img546/2361/twttr.png"></p>