.tablewesterveld th {
    text-align: left;
    background-color: #331544;
    border: 1px solid #331544;
    color: #fff;
}

.tablewesterveld td {
    border: 1px solid #71777c;
}

.tablewesterveld tr:nth-child(even) {
    background-color: #ececec;
}

div[role="tablist"] {display: flex;}