@media (max-width: 900px) {
  #umaMapLayout .umaMapCanvas {
    flex: 0 0 auto;
    width: 100%;
    height: 320px;
    min-height: 320px;
  }

  #umaMap {
    width: 100%;
    height: 320px;
  }
}

@media (max-width: 420px) {
  #umaMapLayout .umaMapCanvas {
    height: 280px;
    min-height: 280px;
  }

  #umaMap {
    height: 280px;
  }
}