.grid-item {
  background-color: rgb(255, 255, 255);
  flex-grow: 0;
  flex-shrink: 1;
}

.chosen-color {
  background-color: rgb(77, 199, 211);
}

.rainbow-color {
  background-color: red;
}

.outline {
  outline: 1px solid rgb(0, 0, 0);
}