#session_schedule_table th:nth-child(1),
#session_schedule_table td:nth-child(1),
#session_schedule_table th:last-child,
#session_schedule_table td:last-child,
#event_schedule_table th:nth-child(1),
#event_schedule_table td:nth-child(1),
#event_schedule_table th:nth-child(2),
#event_schedule_table td:nth-child(2)
#event_schedule_table th:last-child,
#event_schedule_table td:last-child {
  width: 1%;
  white-space: nowrap;
}

#event_schedule_table th:nth-child(3),
#event_schedule_table td:nth-child(3) {
  width: 20%;
}

#session_schedule_table th:nth-child(4),
#session_schedule_table td:nth-child(4),
#session_schedule_table th:nth-child(5),
#session_schedule_table td:nth-child(5),
#event_schedule_table th:nth-child(4),
#event_schedule_table td:nth-child(4) {
  width: 25%;
}
#session_schedule_table th:nth-child(3),
#session_schedule_table td:nth-child(3),
#event_schedule_table th:nth-child(5),
#event_schedule_table td:nth-child(5) {
  width: 100%;
}

#session_schedule_table th:nth-child(2),
#session_schedule_table td:nth-child(2) {
  width: 25%;
}

.input-error {
  border: 2px solid red !important;
  background-color: #ffe6e6;
}