idHorizontalSpacing');
  let gridSpanTable = document.getElementById('gridSpanTable');

  let limitContent = document.getElementById('limitContent');
  let maxNumItemsSection = document.getElementById('maxNumItemsSection');
  let maxNumItems = document.getElementById('maxNumItems');
  let overflowButtonSection = document.getElementById('overflowButtonSection');
  let overflowNodePreview = document.getElementById('overflowNodePreview');
  let overflowNodePreviewImg = document.getElementById('overflowNodePrev