postcss.config.js

const postcssPresetEnv = require("postcss-preset-env");
const postcssCustomMedia = require("postcss-custom-media");

module.exports = {
  plugins: [
    postcssCustomMedia({
      importFrom: "./node_modules/open-props/media.min.css",
    }),
    postcssPresetEnv({
      stage: 0,
      enableClientSidePolyfills: false,
      features: {
        "cascade-layers": false,
        clamp: false,
        "logical-properties-and-values": false,
        "prefers-color-scheme-query": false,
        "gap-properties": false,
        "custom-properties": false,
        "place-properties": false,
        "dir-pseudo-class": false,
        "is-pseudo-class": false,
        "focus-within-pseudo-class": false,
        "focus-visible-pseudo-class": false,
        "color-functional-notation": false,
      },
    }),
  ],
};