md-pdf/md_pdf/assets/static/style.scss

$image-spacing: 30px;
$font-size-base: 12px;


body.cover {
  margin: 0 auto;
  text-align: center;

  & h1 {
    padding-top: 400px;
    font-size: 48px;
  }

  & h3 {
    font-size: 36px;
  }

  & h4 {
    font-size: 18px;
  }
}


body.content {
  line-height: 1.5;
  font-size: $font-size-base;

  img {
    margin-top: $image-spacing;
    width: 100%;
    page-break-after: avoid;
  }

  p.caption {
    margin: 1px 5px $image-spacing;
    padding: 0;
    font-style: italic;
    page-break-before: avoid;
  }

  .references-title {
    page-break-after: avoid;
  }

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

body.footer, body.header {
  font-size: $font-size-base;

  table {
    width: 100%;

    td {
      text-align: center;
    }
  }
}