tailwind.config.js

const { tailwindExtractor } = require('tailwindcss/lib/lib/purgeUnusedStyles');

module.exports = {
  purge: {
    content: ['./src/**/*.html', './src/**/*.svelte'],
    options: {
      defaultExtractor: (content) => [
        ...tailwindExtractor(content),
        ...[...content.matchAll(/(?:class:)*([\w\d-/:%.]+)/gm)].map(
          ([_match, group, ..._rest]) => group
        ),
      ],
      keyframes: true,
    },
  },
  darkMode: 'class',
  theme: {
    extend: {},
  },
  variants: {
    extend: {},
  },
  plugins: [],
};