form > .input-group {
  margin: 1rem 0;
}

form > button {
  float: right;
}

.flag-image {
  height: 10rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flag {
  max-height: 10rem;
  width: auto;
  max-width: 100%;
}

.flag-card {
  padding: 1rem;
}