summary {
  outline: none;
}

.markdown-body {
  summary {
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      display: inline-block;
      margin-top: 10px;
      margin-bottom: 10px;

      p {
        margin: 0;
        padding: 0;
      }
    }
  }
}