nasty.js

export default (paths) => {
  const rules = [];

  Array.prototype.forEach.call(document.styleSheets, (sheet) => {
    Array.prototype.forEach.call(sheet.cssRules, (rule) => {
      paths.forEach((path) => {
        if (rule.selectorText && rule.selectorText.endsWith(`${path[0]}_${path[1]}`)) {
          rules.push(rule);
        }
      });
    });
  });

  return rules;
};