How do I make the Cycles world background a vertical gradient? Blender render has a nice vertical gradient for the background. I cannot find a vertical gradient background in the cycles render, only a horizontal gradient. How can I use a vertical gradient as the Cycles world background?

Cycles render horizontal gradient:

Vertical blender render gradient:
One way to make the world a vertical gradient in Cycles is to add a Gradient texture and color ramp for your color, and rotate the texture coordinates accordingly.
Here is the node setup and result of said nodes: