const hamburger = document.querySelector("#hamburger");
      const responsiveNavbar = document.querySelector(".responsive-navbar");
      const closeNavbar = document.querySelector("#closeNavbar");

      hamburger.addEventListener("click", () => {
        responsiveNavbar.classList.toggle("display-navbar");
      });

      closeNavbar.addEventListener("click", () => {
        responsiveNavbar.classList.toggle("display-navbar");
      });