th .rz-column-title .rz-column-title-content {
    display: -webkit-box; /* enables -webkit-line-clamp */
    -webkit-line-clamp: 3; /* limit to 3 lines */
    -webkit-box-orient: vertical; /* vertical flow */
    overflow: hidden; /* hide excess text */
    text-overflow: ellipsis;
    font-size: 16px;
    white-space: normal !important; /* allow wrapping */
    line-height: 1.25rem;
    max-height: calc(1.25rem * 3); /* keeps row height stable */
    text-transform: none !important; /* <— stops auto-capitalization */
}

.rz-datatable-thead th.rz-border-0,
.rz-grid-table thead th.rz-border-0,
.rz-grid-table  tbody td.rz-border-0{
    border-right: none !important;
}