Since the author seems to be reading this -- the table of contents isn't displaying correctly for me; it's displaying way off to the left, primarily off the screen; only a tiny part of it is onscreen for me. (The only bits visible read "ngs", "e do", and "e".) This is happening on the site's other pages as well.

This is on Firefox 82.0.3 (64-bit), although possibly worth noting it's the Linux Mint version from their repo rather than the generic version. Linux Mint 20, FWIW.