Aspects of modern HTML/CSS you may not be familiar with

TIL about baseline widely available.

I do wish we would start to move further towards a sane set of front-end application (logic) technologies (I don't think the current leader, Typescript NextJS is it)

But I do appreciate that CSS is starting to feel a lot more sane these days.

Vite (which is used by a large portion of modern frontend frameworks) by default builds the production bundle for baseline widely available: https://vite.dev/guide/build.html#browser-compatibility