.concat-cell {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    max-width: 1px;
}


/* table thead th.sortable {
    background: url('../images/sort_both.png') no-repeat center right; } */
table thead th.asc {
    background: url('../images/arrow-up.svg') no-repeat center right; }
table thead th.desc {
    background: url('../images/arrow-down.svg') no-repeat center right; }