> I expect the next level of utility-first CSS will do away with the CSS file altogether, and start baking the resulting styles directly into the HTML It's not

> I expect the next level of utility-first CSS will do away with the CSS file altogether, and start baking the resulting styles directly into the HTML It's not exactly the same thing, but Atomizer [0] generates a CSS file from HTML, by translating class names into functional CSS rules. The problem with inline CSS is that it has some limitations, notably lack of support for selectors like :hover, :focus, etc, and pseudo-classes like :before and :after. [0] https://github.com/acss-io/atomizer https://github.com/acss-io/atomizer / https://acss.io/guides/atomizer.html https://acss.io/guides/atomizer.html