Button')
    layoutButton.style.backgroundColor = "#E5E5E5";
    layoutButton.style.color = "000000"
    spacingButton.style.backgroundColor = "#FFFFFF";
    spacingButton.style.color = "#8A8A8A";
  }

  function onClickSpacingButton() {
    formatTab = "spacing";
    gridLayoutSection.style.display = 'none';
    autoLayoutSection.style.display = 'none';
    gridSpacingSection.style.display = 'block';
    gridSpacingDiagram.style.display = isGridLayout() ? 'block' : 'none';
    edgeToEdgeSpacingSection.styl