.md-typeset h1 {
    /*font-size: 24pt;*/
    font-weight: bold;
    color: #000;
    border-bottom: solid 3px #e72;
    padding-bottom: 5px;
  }
  .md-typeset h2 {
    font-weight: bold;
    border-bottom: 2px solid #098;
  }
  .md-typeset h3 {
    font-weight: bold;
    border-bottom: 1px dotted #456;
  }