paper.css

@media print {

  @page {
    margin: 2cm;
 }

  *,
  *:before,
  *:after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
 }

  body {
    line-height: 1.4;
    font-size: 14pt;
    font-family: Georgia, Cambria, "Times New Roman", Times, serif;
  }

  /* Headings */
  h1 { font-size:19pt; }

  h2 { font-size:17pt; }

  h3 { font-size:15pt; }

  h4,
  h5,
  h6 { 
    font-size:14pt;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    page-break-after: avoid;
  }

  a,
  a:visited {
    text-decoration: underline;
    text-decoration-style: dashed;
  }

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

  /* Don't show links that are fragment identifiers */
  a[href^="#"]:after,
  a[href^="javascript:"]:after {
    content: "";
 }

 /* Don't show linked images */
 a[href$=".jpg"]:after,
 a[href$=".jpeg"]:after,
 a[href$=".gif"]:after,
 a[href$=".png"]:after {
    content: " (" attr(href) ") ";
    display:none;
 }
  
  pre {
    white-space: pre-wrap !important;
    page-break-inside: avoid;
  }

  code {
    font-family: Courier, monospace
  }

  hr {
    background-color: #ccc;
  }

  blockquote {
    margin: 0;
    border-left: 0.2em solid #000;
    padding-left: 1em;
    font-size: 14pt;
  }

  thead {
    display: table-header-group;
  }

  tr,
  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  /* Images */
  img {
    margin: 1em;
    width: 100%;
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  figure {
    margin: 0;
    page-break-inside: avoid;
  }

  /* For videos, Youtube etc. */
  iframe {
    margin: 1em;
  }

}

@media print and (color) {
  * {
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
 }
}