.square-button {
  min-width: 150px;
  max-width: 150px;
  min-height: 150px;
  max-height: 150px;
  cursor: pointer;
  margin: 20px;
}
.item-name {
  text-align: center;
  padding: 0.5rem;
}

.center {
  text-align: center;
}

.warn {
  background-color: red;
}