table.datatable th.sortable:after {
    content: "\f148";
}
table.datatable th.sortable:before {
    content: "\f128";
}
table.datatable th.sortable:after,
table.datatable th.sortable:before {
    font-family: bootstrap-icons !important;
    float: right;
    color: rgb(117, 117, 117);
}