.instagram-embeds {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.instagram-embeds iframe {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1.35;
  border: 0;
  background: #fff;
}

@media (max-width: 900px) {
  .instagram-embeds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 650px) {
  .instagram-embeds iframe { aspect-ratio: 1 / 1.4; }
}