Things are working now.

tailwind.config.js

@@ -0,0 +1,12 @@
+// tailwind.config.js
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  content: [
+    "./src/**/*.{js,jsx,ts,tsx}", // Standard for CRA
+    "./public/index.html"
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}