table.table-bordered.dataTable th:first-child, table.table-bordered.dataTable th:first-child, table.table-bordered.dataTable td:first-child, table.table-bordered.dataTable td:first-child {
    border-left-width: 0 !important;
    border-bottom-width: 0 !important;
}

table.table-bordered.dataTable th, table.table-bordered.dataTable td {
    border-bottom-width: 0 !important;
}