If TailwindCSS counts as a language, then TailwindCSS's docs are some of the best I've used. It's arguably the best way to learn not just Tailwind, but CSS itse

If TailwindCSS counts as a language, then TailwindCSS's docs are some of the best I've used. It's arguably the best way to learn not just Tailwind, but CSS itself. Otherwise, the Rust book is also up there.