You shouldn't but there are many sites that assume the default font is black and the default background is white. (I'm sure I forgot to set them myself.) There

You shouldn't but there are many sites that assume the default font is black and the default background is white. (I'm sure I forgot to set them myself.) There are [to] many ways to set the font size. I don't even know which on is the correct choice, if there is such a thing. Maybe not trying to control it is the best approach? How can one tell?