gistfile1.css

@media print {
  /* Append the address of the link */
  a[href]:after {
    content: " (" attr(href) ")";
    /* break long urls that don't fit the page width [http://www.w3.org/TR/css3-text/] */
    word-break: break-all;
    overflow-wrap: break-word;
  }
  a[href^="javascript:"]:after,
  a[href^="#"]:after { content: "" }

  /* Append the expansion of the abbriviation */
  abbr[title]:after { content: " (" attr(title) ")" }

  /* Append the source of the citation */
  q:after { content: " [" attr(cite) "]" }
}