body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
h1 {
    text-align: center;
    background-color: #4CAF50;
    color: white;
    padding: 10px 0;
}
#map {
    width: 100%;
    height: 600px;
}

@media (max-width: 600px) {
  h1 {
    font-size: 18px;
    padding: 6px 0;
  }
  #map {
    height: 400px;
  }
}