Parallax effect help - one side needs to stay fixed

I am having some issues with the parallax effect, I need one side to remain sticky while the other scrolls. The stickyness is not working as you can see! :slight_smile:

PAGE: Butter Culture

I have benchmarked it from this site. half on half layout
I have must have missed something in the settings but I have tried to copy everything as exactly as I can for the original example.
The link came from this post, Half on half layout in sections – one half scrolling other one static

Thanks very much!

Please note the page this link leads to is NOT THE CORRECT PAGE> I have implemented it on the page Butter Culture please take a look at this page. the effect is VERY close to working I think I am just missing one setting or something! Thanks to anyone who can help! :slight_smile:

Here is my site Read-Only:
(how to share your site Read-Only link)