style-table.css

.sortable-table table {
    border: 2px solid #42b983;
    border-radius: 3px;
    background-color: #fff;
  }
  .sortable-table th {
    background-color: #42b983;
    color: rgba(255, 255, 255, 0.66);
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  .sortable-table td {
    background-color: #f9f9f9;
  }
  .sortable-table th,
  .sortable-table td {
    text-align: left;
    min-width: 120px;
    padding: 10px 20px;
  }
  .sortable-table th.active {
    color: #fff;
  }
  .sortable-table th.active .arrow {
    opacity: 1;
  }
  .sortable-table .arrow {
    display: inline-block;
    vertical-align: middle;
    width: 0;
    height: 0;
    margin-left: 5px;
    opacity: 0.66;
  }
  .sortable-table .arrow.asc {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid #fff;
  }
  .sortable-table .arrow.dsc {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #fff;
  }

  .sortable-table form {
      border: 1px solid #eee;
      display: block;
      width: 100%;
      padding:1em;
      margin:1em 0;
  }