Web is still missing a few important things like baselining (…:baseline doesn’t work through a hierarchy of containers or between a label and an input) or sub/s

Web is still missing a few important things like baselining (…:baseline doesn’t work through a hierarchy of containers or between a label and an input) or sub/superscripts (²) that do not change the base line height. Edit: ² here is a regular height unicode char, I was talking about <sup>…<sup/>