.mergetokenlist {
    width: 100%;
    white-space: nowrap;
}

    .mergetokenlist thead {
        width: 100%;
    }

    .mergetokenlist .mergetokenlist-header {
        color: #5f636a;
        background-color: #cad1da;
        font-weight: bolder;
    }

    .mergetokenlist tbody {
        height: auto !important;
    }

        .mergetokenlist tbody td {
            padding: 1ex 1em 1ex 1em;
        }

        .mergetokenlist tbody tr:not(.mergetokenlist-header):nth-child(odd) {
            background-color: #f8f8f8;
        }

        .mergetokenlist tbody tr:not(.mergetokenlist-header) td:first-child { /* token */
            cursor: copy;
        }

        .mergetokenlist tbody tr:not(.mergetokenlist-header) td:nth-child(2) { /* sample */
            white-space: pre;
        }