Background Position animation in jQuery not working in Firefox

Question

I am working on a wesbsite here: http://www.benjaminpotter.org/portfolio2/

Look at the loading splash, it looks all good but not in Firefox. Do you know why backgrou

Answer 1

background-position-x is non standard CSS property and it is not supported by Firefox.

See:

• http://snook.ca/archives/html_and_css/background-position-x-y
• https://stackoverflow.com/a/8175460/1011582