text: function mobileMenu() {
    document.getElementById("hamburger").classList.toggle("active"); // toggling active class
    document.body.classList.toggle("overlay-body"); //toggling overlay state on body
    document.getElementById("overlay").classList.toggle("open"); //toggling overlay state on nav by setting classlist to "open"
    // improve below by grabing by class not by id
    document.getElementById("nav_tab_home").classList.toggle("open");
    document.getElementById("nav_tab_about").classList.toggle("open");
    document.getElementById("nav_tab_work").classList.toggle("open");
    document.getElementById("nav_tab_contact").classList.toggle("open");
  }
  