This is very strange, and I don't know what could be happening. It may be something local to your phone, as your laptop doesn't have this problem, and my desktop and iPad do not have it. Try this page, which does not yet have the header and footer on it:
This is very strange, and I don't know what could be happening. It may be something local to your phone, as your laptop doesn't have this problem, and my desktop and iPad do not have it. Try this page, which does not yet have the header and footer on it:
https://www.chessvariants.com/d.betza/pieceval/index.html