.parent-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  #map {
    width: 450px;
    height: 450px;
    margin-right:100px;
  }  
  #map2 {
    width: 450px;
    height: 450px;
    margin-right:100px;
  }  
  #map3 {
    width: 450px;
    height: 450px;
    margin-right:100px;
  }