> (That's why every CSS question on Stack Overflow has an answer that says "use this HTML: ... and this CSS: ...". It's rarely possible to use some random HTML and style it in an arbitrary way.)

I think that's a different issue that has to do with the web not having proper layout tools. Where in order to position a group of elements, you had to div them. Nowadays, we have `align-self` and `display: contents`.