Fadein Animation in Tailwind CSS

example.html

<div class="animate-fade-in">
  Fadein!
</div>

tailwind.config.js

/** @type {import('tailwindcss').Config} */
export default {
  theme: {
    extend: {
      animation: {
        'fade-in': 'fadeIn 0.3s ease both',
      },
      keyframes: {
        fadeIn: {
          from: { opacity: 0 },
          to: { opacity: 1 },
        },
      },
    },
  },
};