CSS3 transition of background-image for Firefox not working

Question

My background-image transition is working fine in Chrome, but does nothing in Firefox. I am new to CSS3 transitions. Did research and my syntax seems to be correct. From wha

Answer 1

It is 2014 and background-image property is still not animatable: http://dev.w3.org/csswg/css-backgrounds/#background-image

Works fine in webkit but not in Firefox. It seems that the only way to make some animation is to use jQuery fallback for Firefox.