Imported this navbar component and it is printing elements one below the other and not in flex

[Noah]

const App = () => {
  const [open, setOpen] = React.useState(false)

  return (
    <nav className="flex items-center justify-between px-6 md:px-16 lg:px-24 xl:px-32 py-4 border-b border-gray-300 bg-white relative transition-all">
      <a href="#">
        <img
          className="h-9"
          src="https://raw.githubusercontent.com/prebuiltui/prebuiltui/main/assets/dummyLogo/dummyLogoColored.svg"
          alt="dummyLogoColored"
        />
      </a>

      {/* Desktop Menu */}
      <div className="hidden sm:flex items-center gap-8">
        <a href="#">Home</a>
        <a href="#">About</a>
        <a href="#">Contact</a>

        <div className="hidden lg:flex items-center text-sm gap-2 border border-gray-300 px-3 rounded-full">
          <input
            className="py-1.5 w-full bg-transparent outline-none placeholder-gray-500"
            type="text"
            placeholder="Search products"
          />
          <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
            <path
              d="M10.836 10.615 15 14.695"
              stroke="#7A7B7D"
              stroke-width="1.2"
              stroke-linecap="round"
              stroke-linejoin="round"
            />
            <path
              clip-rule="evenodd"
              d="M9.141 11.738c2.729-1.136 4.001-4.224 2.841-6.898S7.67.921 4.942 2.057C2.211 3.193.94 6.281 2.1 8.955s4.312 3.92 7.041 2.783"
              stroke="#7A7B7D"
              stroke-width="1.2"
              stroke-linecap="round"
              stroke-linejoin="round"
            />
          </svg>
        </div>

        <div className="relative cursor-pointer">
          <svg
            width="18"
            height="18"
            viewBox="0 0 14 14"
            fill="none"
            xmlns="http://www.w3.org/2000/svg"
          >
            <path
              d="M.583.583h2.333l1.564 7.81a1.17 1.17 0 0 0 1.166.94h5.67a1.17 1.17 0 0 0 1.167-.94l.933-4.893H3.5m2.333 8.75a.583.583 0 1 1-1.167 0 .583.583 0 0 1 1.167 0m6.417 0a.583.583 0 1 1-1.167 0 .583.583 0 0 1 1.167 0"
              stroke="#615fff"
              stroke-linecap="round"
              stroke-linejoin="round"
            />
          </svg>
          <button className="absolute -top-2 -right-3 text-xs text-white bg-indigo-500 w-[18px] h-[18px] rounded-full">
            3
          </button>
        </div>

        <button className="cursor-pointer px-8 py-2 bg-indigo-500 hover:bg-indigo-600 transition text-white rounded-full">
          Login
        </button>
      </div>

      <button
        onClick={() => open ? setOpen(false) : setOpen(true)}
        aria-label="Menu"
        className="sm:hidden"
      >
        {/* Menu Icon SVG */}
        <svg
          width="21"
          height="15"
          viewBox="0 0 21 15"
          fill="none"
          xmlns="http://www.w3.org/2000/svg"
        >
          <rect width="21" height="1.5" rx=".75" fill="#426287" />
          <rect x="8" y="6" width="13" height="1.5" rx=".75" fill="#426287" />
          <rect x="6" y="13" width="15" height="1.5" rx=".75" fill="#426287" />
        </svg>
      </button>

      {/* Mobile Menu */}
      <div className={`${open ? 'flex' : 'hidden'} absolute top-[60px] left-0 w-full bg-white shadow-md py-4 flex-col items-start gap-2 px-5 text-sm md:hidden`}>
        <a href="#" className="block">Home</a>
        <a href="#" className="block">About</a>
        <a href="#" className="block">Contact</a>
        <button className="cursor-pointer px-6 py-2 mt-2 bg-indigo-500 hover:bg-indigo-600 transition text-white rounded-full text-sm">
          Login
        </button>
      </div>
    </nav>
  )
}

I’m building a responsive navbar in React using Tailwind CSS. It includes SVG icons for search and cart. However this code isn’t rendering the desired navbar as output. Is it due to improper installation of Tailwind CSS?

[Joseph]

Yes, if your code is not rendering the Tailwind-styled navbar properly, the most likely issue is that Tailwind CSS is not correctly installed or configured in your project.

Here’s how you can verify and fix Tailwind CSS setup for your React app:

1. Check Tailwind Installation

If you’re using Create React App, your tailwind.config.js and postcss.config.js should be present and properly configured.

Make sure your setup steps include:

tailwind.config.js:

/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    "./src/**/*.{js,jsx,ts,tsx}",
  ],
  theme: {
    extend: {},
  },
  plugins: [],
}

postcss.config.js:

module.exports = {
  plugins: {
    tailwindcss: {},
    autoprefixer: {},
  },
}

Your CSS file (e.g., index.css or App.css):

@tailwind base;
@tailwind components;
@tailwind utilities;

Then make sure it’s imported in your root JS file (e.g., index.js or App.js):

import './index.css'; // or './App.css' depending on where you put the Tailwind directives

2. Ensure Tailwind is Compiling

If Tailwind is installed but styles don’t apply, check:

• Your dev server is running (npm start or yarn start)
• You’re not using cached/stale build output (try a hard refresh Ctrl+Shift+R)

3. Confirm Build Environment

If you’re using Vite, Next.js, or another framework, the setup may differ slightly. Let me know which one you’re using if it’s not CRA (Create React App), and I can guide you accordingly.

4. Debug Tip

Try this test in your App.js to confirm Tailwind is working:

<div className="text-red-500 font-bold text-2xl">
  Tailwind is working!
</div>

If that doesn’t render in red and large font — Tailwind isn’t working yet.