That Claude written page is impenetrable. You really need to write yourself or use a better model.

You can define css classes that combine multiple tailwind classes

https://tailwindcss.com/docs/functions-and-directives#apply-...

You can, but it goes against Tailwind's philosophy. It used to be explicitly discouraged here[0] (see this 2022 GH comment[1]), but now they just don't mention it.

[0] https://tailwindcss.com/docs/styling-with-utility-classes#ma...

[1] https://github.com/tailwindlabs/tailwindcss/discussions/7651...