table thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

table tbody th[scope=row] {
    position: sticky;
    left: 0;
    z-index: 9;
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.2);
}