A design pattern that is currently growing more popular is the fixed position bar at the top of the page. Sometimes the bar stays the same throughout, sometimes the header morphs into a slimmer bar as you scroll down, sometimes a completely new bar appears.
It looks like there is a new design trend rising. I think the first time I saw it out there in the wild was on The Verge some months ago. It's not as fancy as the new bar on Medium for example but it's quite nice anyway.
Here is as an example the bar on VICE News:
A tutorial on how to caputre screen casts as .gif will follow.http://supercode.co/s/4af