text: /* Taken from this site: https://www.w3schools.com/howto/howto_js_accordion.asp */
  
  var acc = document.getElementsByClassName("accordion");
    
  var i;
  
  for (i = 0; i < acc.length; i++) {
    acc[i].addEventListener("click", function() {
      /* Toggle between adding and removing the "active" class,
      to highlight the button that controls the panel */
      this.classList.toggle("active");
  
      /* Toggle between hiding and showing the active panel */
      var panel = this.nextElementSibling;
      if (panel.style.display === "block") {
          panel.style.display = "none";
      } else {
          panel.style.display = "block";
      }
    });
  }