/* Preserve the original QR image and its proportions so it remains clear to scan. */
.qr {
  width: 136px;
  height: 136px;
  flex: 0 0 136px;
}

.qr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (max-width: 480px) {
  .qr { width: 120px; height: 120px; flex-basis: 120px; }
}