BootstrapCSS has amazing components.
TailwindCSS has amazing utility classes.
DaisyUI is a component library on top of Tailwind. It let's you use Boostrap-like components.

If you are using Tailwind, I think Daisy is a must-have layer on top.

Apart of components, it also provides semantic dark mode friendly colors and easy theming.

Install DaisyUI in a Rails app: https://daisyui.com/docs/install/rails/

Episode source code: https://github.com/corsego/240-daisy-ui/commit/a0db2b85bdeb8930aae0ab9d311be5a57be9ebc1