KNACSS/css/08-print.css

/* quick print reset */

@media print {
  * {
    background: transparent !important;
    -webkit-box-shadow: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    width: auto !important;
    margin: auto !important;
    font-family: serif;
    font-size: 12pt;
    background-color: #fff !important;
    color: #333 !important;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  blockquote,
  ul,
  ol {
    color: #000 !important;
    margin: auto !important;
  }

  .print {
    display: block;
  }

  .no-print {
    display: none;
  }

  img {
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
  }

  /* no orphans, no widows */

  p,
  blockquote {
    orphans: 3;
    widows: 3;
  }

  /* no breaks inside these elements */

  blockquote,
  ul,
  ol {
    page-break-inside: avoid;
  }

  /* page break before main headers */

  h1 {
    page-break-before: always;
  }

  /* no breaks after these elements */

  h1,
  h2,
  h3,
  caption {
    page-break-after: avoid;
  }

  a {
    color: #000 !important;
    text-decoration: underline !important;
  }

  /* displaying URLs */

  a[href]:after {
    content: " (" attr(href) ")";
  }

  a[href^="javascript:"]:after,
  a[href^="#"]:after {
    content: "";
  }
}