The publishers of the Bootstrap framework, getbootstrap.com, have a new tutorial on creating a fixed top navbar. This is very quick tutorial which breaks down how the default, static and fixed top navbar functions work. Also, highlighted in the example tutorial is the inclusion of both responsive CSS and HTML, so the navbar will adapt to both fullscreen and mobile viewports.
This is an interactive Bootstrap tutorial that allows you to see the difference between static and fixed top navbars simply by scrolling through the examples. To view the tutorial simply click on the button below.View Navbar Tutorial