Install Tailwind CSS

Install tailwindcss via npm, and then run the init command to generate your tailwind.config.js file.

Configure your template paths

Add the paths to all of your template files in your tailwind.config.js file.

Add the Tailwind directives to your CSS

Add the @tailwind directives for each of Tailwind’s layers to your ./src/index.css file.

Start your build process

Run your build process with npm run start.

Install Tailwind CSS with Create React App 

Follow this link and avoid confusion