table.dataTable thead > tr > th.dt-orderable-asc .dt-column-order:before, table.dataTable thead > tr > th.dt-ordering-asc .dt-column-order:before,
table.dataTable thead > tr > td.dt-orderable-asc .dt-column-order:before,
table.dataTable thead > tr > td.dt-ordering-asc .dt-column-order:before {
    border-top: 0 !important;
    border-right: 0 !important;
    border-right: 0 !important;
    content: "" !important;
    color: red !important;
    opacity: 0 !important;
}

table.dataTable thead > tr > th.dt-orderable-desc .dt-column-order:after, table.dataTable thead > tr > th.dt-ordering-desc .dt-column-order:after,
table.dataTable thead > tr > td.dt-orderable-desc .dt-column-order:after,
table.dataTable thead > tr > td.dt-ordering-desc .dt-column-order:after {
    /*background-image: url(../Image/bank.png);*/
    border-top: 0 !important;
    border-right: 0 !important;
    border-right: 0 !important;
    content: "" !important;
    color: red !important;
    opacity: 0 !important;
}