get.classList.contains("color_me")
            ? "block"
            : "none";
        });
      });
      let ac_observerConfig = {
        attributes: true
      };
      ac_observer.observe(ac_target, ac_observerConfig);
      let cm_target = document.getElementById("cm_target"),
        cm_response = document.getElementById("cm_response");
      let cm_observer = new MutationObserver(mutations => {
        mutations.forEach(mutation => {
          cm_response.style.display =
            cm_target.style.