Since I posted the question, I have updated the second link with the HelloMix theme. So it's not now possible to see the differences.
However the same issue applies. How do I enable Bullet Lists to display correctly in the product page? By default your template CSS styling disables them to allow inline lists to be used for header and footer link blocks.
This link describes the issue and how to resolve it, but it doesn't work for the HelloMix theme: