.map-size {
  position: relative;
  width: 80%;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
}

.map-size iframe {
  position: absolute;
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 767px) {
  .map-size {
    width: 100%;
    aspect-ratio: 4 / 3;
  }
}