#trash-table-area {
  display: none;
}

.divReadonly {
  pointer-events: none;
}

.errorSpan {
  display: block;
  color: #AF0004;
}

.errorClass input, .errorClass select {
  border: red;
  border: 1px solid #AF0004;
}

#kanban_students .kanban-board .kanban-drag {
  min-height: 200px;
  padding: 20px;
  max-height: 50vh;
  overflow: auto;
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}