gridLayoutSection');
  let gridSpacingSection = document.getElementById('gridSpacingSection');
  let gridSpanExpandButton = document.getElementById('gridSpanExpandButton');
  let gridSpanCollapseButton = document.getElementById('gridSpanCollapseButton');
  let gridScrolling = document.getElementById('gridScrolling');
  let gridColumnsOrRows = document.getElementById('gridColumnsOrRows');
  let gridColumnsRows = document.getElementById('gridColumnsRows');
  let gridColumnsRowsLabel = document.getElementById(