th {
    text-align: center;
    vertical-align: middle;
    padding: 0.125em 0.5em;
    height: 20px;
    /* acts as min-height */
  }
  td {
    text-align: left;
    vertical-align: baseline;
    padding: 0.125em 0.5em;
    height: 20px;
    /* acts as min-height */
  }

  table.rex {
    font-family: 'Courier New', Courier, monospace;
    font-size: 11px;
    border-collapse: collapse;
    margin-bottom: 10px;
  }