/*!
 * Datetimepicker for Bootstrap 3
 * version : 4.17.47
 * https://github.com/Eonasdan/bootstrap-datetimepicker/
 */
.modal-body {
    max-height: calc(100vh - 212px);
    overflow-y: auto;
}

.body {
    padding-bottom: 180px !important; /* Höhe deines Footers */
    padding-top: 70px;
}