You have tailwind css in your project, but you can also add different UI layers. If you get an Android phone, each brand comes with a different OS. Likewise, you can install any UI in your react projects. Here are some of the top UI for React project.
For a simple project, you can install Shadcn UI
npx shadcn-ui@latest init
Which style would you like to use? › Default
Which color would you like to use as base color? › Slate
Do you want to use CSS variables for colors? › yes
Here is the official docs for shadcn usage.