body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica,
      Arial, sans-serif;
    margin: auto;
    max-width: 38rem;
    padding: 2rem;
  }

  pre {
    background-color: #222222;
    border-radius: 3px;
    font-size: 14px;
    line-height: 1.45;
    overflow: auto;
    padding: 16px;
  }
  code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 14px;
    color: white;
  }