@media screen and (max-width: 640px) {
  table#customDataTable caption {
    background-image: none;
  }
  table#customDataTable thead {
    display: none;
  }
  table#customDataTable tbody td {
    display: block;
    padding: .6rem;
  }
  table#customDataTable tbody tr td:first-child {
    background: #666;
    color: #fff;
  }
  table#customDataTable tbody tr td:first-child a {
    color: #fff;
  }
  table#customDataTable tbody tr td:first-child:before {
    color: rgb(225, 181, 71);
  }
  table#customDataTable tbody td:before {
    content: attr(data-th);
    font-weight: bold;
    display: inline-block;
    width: 10rem;
  }
  table#customDataTable tr th:last-child,
  table#customDataTable tr td:last-child {
    max-width: 100% !important;
    min-width: 100px !important;
    width: 100% !important;
  }
}