.profile/postcss.config.js

module.exports = {
  plugins: [
    [
      '@fullhuman/postcss-purgecss',
      {
        content: [
          './pages/**/*.{js,jsx,ts,tsx}',
          './components/**/*.{js,jsx,ts,tsx}'
        ],
        defaultExtractor: (content) => content.match(/[\w-/:]+(?<!:)/g) || [],
        safelist: ['html', 'body']
      }
    ]
  ]
}