hugo-geekblog/src/sass/_print.scss

@media print {
  .gblog-nav,
  .gblog-footer {
    display: none;
  }

  main {
    flex-direction: column-reverse;
  }

  .gblog-toc {
    flex: none;

    nav {
      position: relative;
      width: auto;
    }
  }
}