@media only screen and (max-width: 652px) {

    td {
        font-size: 14px;
        padding: 6px 1px 6px 1px;
    }

    th {
        font-size: 14px;
        padding: 6px;
    }

    .plan-info-datum {
        font-size: 13px;
    }

    .plan-info-uhrzeit {
        font-size: 13px;
    }

    .datum-and-message-content h3 {
        font-size: 18px;
    }
}