src/language-css/parser-postcss.js/parseMediaQuery
function parseMediaQuery(params) {
  const mediaParser = require("postcss-media-query-parser").default;

  let result = null;

  try {
    result = mediaParser(params);
  } catch (e) {
    // Ignore bad media queries
    /* istanbul ignore next */
    return {
      type: "selector-unknown",
      value: params,
    };
  }

  return addTypePrefix(addMissingType(result), "media-");
}