This is meant to be a simple example, reference, and learning experiment for CSS parallax scrolling.
Mostly taken from this article.
When I'm working/playing around with something like this, I often use devd so I don't have to refresh the browser.
You can run devd -io .
from the project directory. This will open a
browser window with the project, and will auto-refresh when you save
changes to a file in the project.