body {
    /*font-family: Liberation Sans, Arial, sans-serif; */
    /* font-family: medium-content-serif-font, Georgia, Cambria, "Times New Roman", Times, serif; */
    font-family: Georgia,Cambria, "Times New Roman", Times ,serif;
    background-color: #ffffff;
    line-height: 1.4;
  }
  main {
    max-width: 50ch;
    padding: 2ch;
    margin: auto;
    letter-spacing: .01rem;
    font-weight: 400;
    font-style: normal;
    line-height: 1.58;
    letter-spacing: -.003em;
    color: rgba(0,0,0,.84);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;

  }
  header {
    margin-bottom: 1.5rem;
  }
  h1 {
    margin-bottom: .5rem;
  }
  .sub {
    color: #888;
  }
  hr {
    border: 2px solid #ddd;
    margin: 2rem auto;
  }
  footer {
    margin-top: 2rem;
    text-align: center;
  }
  a {
    color: #000000;
    text-decoration: underline;
    outline: 0;
  }
  a:visited {
    color: #000000;
  }