body {
    width: auto;
    max-width: auto;
    margin: 10;
    font:
      0.9em/1.2 Arial,
      Helvetica,
      sans-serif;
  }
  
  .box {
    float: left;
    margin-right: 15px;
    width: auto;
    height: auto;
    border-radius: 5px;
    padding: 1em;
  }