hugo-geekblog/src/sass/_print.scss

@media print {
  .gblog-nav,
  .gblog-footer .container div:not(:last-child),
  .gblog-paging,
  .gblog-post__readmore,
  .gblog-post__anchor {
    display: none;
  }

  .gblog-header {
    border-bottom: 1px solid $gray-300;
  }

  .gblog-footer {
    border-top: 1px solid $gray-300;
  }

  .gblog-markdown pre {
    white-space: pre-wrap;
    overflow-wrap: break-word;
  }

  .chroma code {
    border: 1px solid $gray-300;
    padding: $padding-8 !important;
    font-weight: normal !important;
  }

  .gblog-markdown code {
    font-weight: bold;
  }

  a,
  a:visited {
    color: inherit !important;
    text-decoration: none !important;
  }
}