We_Relese/App/Relese/Content/Libs/bootstrap-table/extensions/group-by-v2/bootstrap-table-group-by.css

.bootstrap-table .table > tbody > tr.groupBy {
    cursor: pointer;
}

    .bootstrap-table .table > tbody > tr.groupBy.expanded {
    }

.bootstrap-table .table > tbody > tr.hidden + tr.detail-view {
    display: none;
}