I see your point. My recommendation if you wish to improve your designs is to do them outside of CSS if you don't already. With something like figma or Penpot you will have your fonts, palette, spacing and layout all predefined.

Then once all your views are created using these common elements, you only need to transcribe them as classes in your CSS and use those few classes where needed in your HTML.

I'm not a design expert, so take it with a grain of salt, but I used to be terrible and following that workflow allowed me to get decent.

See, my problem is that I don't want to get good. I just want to ship.

Yeah we all have that problem but the design factors in the customers' decision to buy and designers cost an insane amount so what can you do.

Without some design knowledge and experience (and dedication), starting from a blank canvas in Figma, Framer, or Penpot is going to be extremely difficult. Design is an art and skill in its own right.

Of course but starting from the assumption that he is doing it himself he will have an easier time using design software than jumping into CSS.

Design software encourages/enforces good design rules through its interface. You couple that with a willingness to learn and a bit of practice and you can achieve some nice things. Especially given that the design of some types of websites is very codified like SaaS or blogs.