Not sure if it's a stylistic choice or if it was unintentional, but the padding in tables is making it very difficult to tell where one cell ends and another begins.

In the occupations list, the requirements are all squished together and without turning up the contrast super high I can't tell which ones fit with which occupation:


And on the Hogwarts roster it's impossible to tell which students belong to which year because of the spacing. I know George Waterford is a sixth year but from the looks of it I would have assumed he's a fifth year :P