/* Browser-print layout only; leave the on-screen book unchanged. */
@media print {
  /* Keep short examples together. Oversized blocks can still span pages. */
  main div.sourceCode,
  main pre,
  main table {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* Keep headings with the following content rather than at a page foot. */
  main h1,
  main h2,
  main h3,
  main h4,
  main h5,
  main h6 {
    break-after: avoid;
    page-break-after: avoid;
  }

  main thead {
    display: table-header-group;
  }

  /* Screen-only controls are not useful on paper. */
  .code-copy-button,
  .code-tools-button {
    display: none !important;
  }
}