I think he is totally doing this wrong, firefox has a zoom text option (that was the default years ago). https://support.mozilla.org/en-US/kb/font-size-and-zoo

I think he is totally doing this wrong, firefox has a zoom text option (that was the default years ago). https://support.mozilla.org/en-US/kb/font-size-and-zoom-increase-size-of-web-pages https://support.mozilla.org/en-US/kb/font-size-and-zoom-incr... That keeps the layout/images/etc the same, while bumping the font px/em.