table.dataTable tr.dtrg-group td {
    background-color: #f2f2f2;
    color: #575A65;
}
table.dataTable tr.dtrg-group.dtrg-level-0 td {
    font-weight: bold;
}
table.dataTable tr.dtrg-group.dtrg-level-1 td,
table.dataTable tr.dtrg-group.dtrg-level-2 td,
table.dataTable tr.dtrg-group.dtrg-level-3 td,
table.dataTable tr.dtrg-group.dtrg-level-4 td,
table.dataTable tr.dtrg-group.dtrg-level-5 td {
    background-color: #f0f0f0;
    padding-top: 0.25em;
    padding-bottom: 0.25em;
    padding-left: 2em;
    font-size: 0.9em;
}
table.dataTable tr.dtrg-group.dtrg-level-2 td {
    background-color: #f3f3f3;
    padding-left: 2.5em;
}
table.dataTable tr.dtrg-group.dtrg-level-3 td {
    background-color: #f3f3f3;
    padding-left: 3em;
}
table.dataTable tr.dtrg-group.dtrg-level-4 td {
    background-color: #f3f3f3;
    padding-left: 3.5em;
}
table.dataTable tr.dtrg-group.dtrg-level-5 td {
    background-color: #f3f3f3;
    padding-left: 4em;
}