body {
    background-color: #F4EF8D;
    font-family: Arial, Helvetica, sans-serif;
  }

  h1 {
    color: red;
    font-size: 24px;
    text-align: center;
    padding-top: 20px;
  }

  h3 {
    text-align: center;

  }
  .center {
    text-align: center;
  }

  .output {
    color: green;
    text-align: center;
    padding-top: 20px;
  }

  #article {
    padding: 10% 10% 0;
  }