table.sortable th:not(.sorttable_sorted):not(.sorttable_sorted_reverse):not(.sorttable_nosort):after {
    content: " \25B4\25BE"
}
table.sortable tbody tr:nth-child(2n) td {
  background: #FFFFFF;
}
table.sortable tbody tr:nth-child(2n+1) td {
  background: #DDE9F9;
}