.table-sortable th{
    cursor: pointer;
}

.table-sortable .th-sort-asc::after{
    content: "\25b4";
}

.table-sortable .th-sort-desc::after{
    content: "\25be";
}

.table-sortable .th-sort-asc::after,
.table-sortable .th-sort-desc::after{
    margin-left: 5px;
}

.table-sortable .th-sort-asc,
.table-sortable .th-sort-desc{
    background: rgba(0, 0, 0, 0.1);
}