     /**
         * Replace `:dir` in the given CSS text
         *
         * @param {string} text CSS text to replace DIR
         * @return {string} Modified CSS
         */
        static _replaceDirInCssText(text) {
          let replacedText = text;
          replacedText = replacedText.replace(HOST_DIR, HOST_DIR_REPLACMENT);
          replacedText = replacedText.replace(EL_DIR, EL_DIR_REPLACMENT);
          if (text !== replacedText) {
            this.__activateDir = true;
          }
          retu