text: 'use strict';
  
    var sethHomeLink = document.getElementById('sethHomeLink');
    var sethAboutUsLink = document.getElementById('sethAboutUsLink');
    var sethChooseLayoutLink = document.getElementById('sethChooseLayoutLink');
  
    /* ================================== NAV AND BUTTONS FUNCTIONS ================================== */
  
    // Nav: Home Link
    function goHome() {
      document.getElementById('navTab1').style.display = 'block';
      document.getElementById('navTab2').style.display = 'none';
      document.getElementById('navTab3').style.display = 'none';
      sethHomeLink.style.background = '#e2ebc7';
      sethAboutUsLink.style.background = '#f1f1f1';
      sethChooseLayoutLink.style.background = '#f1f1f1';
    }
  
    // Nav: About Us Link
    function aboutUs() {
      document.getElementById('navTab1').style.display = 'none';
      document.getElementById('navTab2').style.display = 'block';
      document.getElementById('navTab3').style.display = 'none';
      sethAboutUsLink.style.background = '#e2ebc7';
      sethChooseLayoutLink.style.background = '#f1f1f1';
      sethHomeLink.style.background = '#f1f1f1';
    }
  
    // Nav: Third Link
    function thirdLink() {
      document.getElementById('navTab1').style.display = 'none';
      document.getElementById('navTab2').style.display = 'none';
      document.getElementById('navTab3').style.display = 'block';
      sethChooseLayoutLink.style.background = '#e2ebc7';
      sethAboutUsLink.style.background = '#f1f1f1';
      sethHomeLink.style.background = '#f1f1f1';
    }
  
    /* ==================================== EVENT LISTENERS ==================================== */
  
    // Navigation Event Listeners
    sethHomeLink.addEventListener('click', goHome);
    sethAboutUsLink.addEventListener('click', aboutUs);
    sethChooseLayoutLink.addEventListener('click', thirdLink);
  