Next.js Easy technical 1 views 1 min read

How do you use Tailwind CSS in Next.js?

Peer-reviewed by HireXTech Technical Panel Updated for 2025/2026 hiring Editorial standards
Practise this track
Interviewer Expectations for this Question
01
Core Competency

Assesses fundamental understanding of Next.js conventions, runtime behavior, and memory/performance considerations.

02
Evaluation Criteria

Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.

Comprehensive Model Answer Verified Solution

By installing Tailwind CSS and configuring it in the next.config.js file.

npm install tailwindcss postcss autoprefixer
npx tailwindcss init -p

Then, add the following to your tailwind.config.js:

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

And import Tailwind CSS in your \_app.js:

import "tailwindcss/tailwind.css";

Candidate Response Strategy & Interview Tips

  1. Start with a concise one-sentence summary: Deliver a direct, confident answer first before expanding into nuances.
  2. Demonstrate real-world trade-offs: Discuss where this approach excels and when you would avoid it in production systems.
  3. Discuss complexity & edge cases: Proactively explain time/space complexity or boundary conditions (null values, scale limits).
  4. Prepare for interviewer follow-ups: Technical hiring panels frequently probe deeper into concurrency, backward compatibility, or alternative libraries.
Related Topics & Skills
Spotted an error or have an alternative solution?