text: /* Set the width of the side navigation to 250px */
  function openNav() {
      document.getElementById("mySidenav").style.left = "0px";
      document.getElementById("body").classList.add("overflow-hidden");
      document.getElementById("absoluter").style.display = "block";
  }
  
  /* Set the width of the side navigation to 0 */
  function closeNav() {
      document.getElementById("mySidenav").style.left = "-300px";
      document.getElementById("body").classList.remove("overflow-hidden");
      document.getElementById("absoluter").style.display = "none";
  }
  