http://userstyles.org/styles/100419/arxiv-org-holo

userstyle.css

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("arxiv.org") {
  body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f3f3f3
  }

  h1, h2, .list-title {
    font-family: 'Roboto', sans-serif;
  }

  a {
    color: #0099cc;
  }

  a:visited {
    color: #9933cc;
  }

  .authors a, .list-authors a {
    color: #669900;
  }

  .authors a:visited, .list-authors a:visited {
    color: #9933cc;
  }

  .arxivid a {
    font-weight: normal;
  }

  dt {
    padding-top: 1rem;
  }

  dt a:first-child {
    color: initial;
  }

  dt a:first-child:hover {
    text-decoration: none;
  }

  .list-identifier a {
    color: #cc0000;
    font-weight: normal;
  }

  .list-identifier a:first-child {
    color: #0099cc;
  }

  #front a {
    color: #000;
  }

  #front a:visited {
    color: #9933cc;
  }
}