.main {
  grid-gap: 0;
}

#map {
  grid-row: 2/5;
  position: absolute;
  left: 0;
  height: 77.5%;
  width: 100%;
  margin: auto;
}

@media screen and (min-width: 880px) {
  #map {
    position: fixed;
    width: 45%;
    margin: 0 auto;
    left: 27.5%;
  }
}