.flex-column-container {
  width: 100%;
  min-height: 200px;
  padding: 1rem;
  border: 2px dashed #ccc;
  border-radius: 8px;
  background-color: #f9f9f9;
}

.flex-column-container:not(:empty) {
  border: 2px solid transparent;
  background-color: transparent;
  padding: 0;
}

.flex-column-container > * {
  width: 100%;
}