body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
      line-height: 1.6;
      margin: 20px;
      padding: 0;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    h1 {
      font-size: 1.8em;
      margin-bottom: 0.3em;
    }
    h2 {
      font-size: 1.2em;
      margin-top: 1.5em;
      margin-bottom: 0.5em;
    }
    ul {
      padding-left: 1.2em;
    }
    
    
    
    
    
    
    @media (max-width: 500px) {

    body {
      margin-left: 1rem;
      margin-right: 1rem;
    }

}