.fixed {
    position: fixed;
}
.markdown {
    -webkit-text-size-adjust: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
    font-size: 16px;
    line-height: 1.5;
    word-wrap: break-word;
    color: #c9d1d9;
  }