// Add plugin to postcss config
postcss([
  // (plugins) Sass, Nesting, Imports ...

  require('postcss-fluid-type')({
    // Defaults:
    min: '320px', // Min media size
    max: '1200px', // Max media size
    functionName: 'fluid', // function name, may be anything
  }),

  // (optimization) autoprefixer, postcss-clean, css-mqpacker ...
]);