table.dataTable tbody > tr.selected, table.dataTable.order-column tbody > tr.selected > .sorting_1,
table.dataTable.order-column tbody > tr.selected > .sorting_2,
table.dataTable.order-column tbody > tr.selected > .sorting_3,
table.dataTable.order-column tbody > tr > .selected, table.dataTable.display tbody > tr.selected > .sorting_1,
table.dataTable.display tbody > tr.selected > .sorting_2,
table.dataTable.display tbody > tr.selected > .sorting_3,
table.dataTable tbody td.select-checkbox,
table.dataTable tbody th.select-checkbox {
    position: relative;
}
table.dataTable tbody td.select-checkbox:before,
table.dataTable tbody td.select-checkbox:after,
table.dataTable tbody th.select-checkbox:before,
table.dataTable tbody th.select-checkbox:after {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    box-sizing: border-box;
}
table.dataTable tbody td.select-checkbox:before,
table.dataTable tbody th.select-checkbox:before {
    content: ' ';
    margin-top: -8px;
    margin-left: -10px;
    border: 1px solid #464646;
    border-radius: 0;
}
table.dataTable tr.selected td.select-checkbox:after,
table.dataTable tr.selected th.select-checkbox:after {
    content: '\2714';
    margin-top: -9px;
    margin-left: -13px;
    text-align: center;
    width: 25px;
    height: 25px;
}

div.dataTables_wrapper span.select-info,
div.dataTables_wrapper span.select-item {
    margin-left: 0.5em;
}

@media screen and (max-width: 640px) {
    div.dataTables_wrapper span.select-info,
    div.dataTables_wrapper span.select-item {
        margin-left: 0;
        display: block;
    }
}