body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

h1 {
  background: #004080;
  color: white;
  padding: 12px;
  text-align: center;
  margin: 0;
}

#map {
  height: 90vh;
  width: 100%;
}

.leaflet-popup-content {
  font-size: 14px;
  line-height: 1.4;
}