'Tailwind UI components aren't renderring correctly in Next.js?

I followed the Tailwind UI getting started documentation, but for some reason it looks nothing like it's supposed to in my Next.js project.

Here is my tailwind.config.ts:

export const defaultTheme = require("tailwindcss/defaultTheme");

module.exports = {
  content: ["./src/**/*.{html,js,jsx,ts,tsx}"],
  theme: {
    extend: {
      fontFamily: {
        sans: ["Inter var", ...defaultTheme.fontFamily.sans],
      },
    },
  },
  plugins: [require("@tailwindcss/forms")],
};

Here's my package.json:

{
  "name": "nextjs-app",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "dev": "next dev",
    "build": "next build",
    "start": "next start",
    "lint": "next lint"
  },
  "dependencies": {
    "@headlessui/react": "^1.5.0",
    "@heroicons/react": "^1.0.6",
    "next": "12.1.0",
    "react": "17.0.2",
    "react-dom": "17.0.2",
    "tailwindcss": "^3.0.23"
  },
  "devDependencies": {
    "@types/node": "17.0.21",
    "@types/react": "17.0.40",
    "eslint": "8.11.0",
    "eslint-config-next": "12.1.0",
    "typescript": "4.6.2"
  }
}

Here's my _document.tsx:

import Document, { Html, Head, Main, NextScript } from "next/document";

class MyDocument extends Document {
  render() {
    return (
      <Html>
        <Head>
          <link
            href="https://fonts.googleapis.com/css2?family=Inter&display=optional"
            rel="stylesheet"
          />
        </Head>
        <body>
          <Main />
          <NextScript />
        </body>
      </Html>
    );
  }
}

export default MyDocument;

Here is what the Signin component looks like:

What it looks like

Here's what it should look like:

What it should look like



Solution 1:[1]

Add your extra file paths (such as 'components' and 'sections') to tailwind.config.js:

module.exports = {
  content: [
    "./pages/**/*.{js,ts,jsx,tsx}",
    "./components/**/*.{js,ts,jsx,tsx}",
    // ADD extra paths here...
  ],
  theme: {
    extend: {},
  },
  plugins: [],
}

As shown here - https://tailwindcss.com/docs/guides/nextjs

Sources

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Source: Stack Overflow

Solution Source
Solution 1 ggootz