body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, sans-serif;
}

#header {
  background-color: #2c3e50;
  color: white;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#header h1 {
  margin: 0;
  font-size: 1.5em;
}

.controls {
  display: flex;
  align-items: center;
}

.controls label {
  margin-right: 10px;
  color: #ecf0f1;
}

#map {
  width: 100%;
  height: calc(100% - 110px);
  background-color: #f5f5f5;
}

#footer {
  background-color: #34495e;
  color: white;
  text-align: center;
  padding: 10px;
  height: 30px;
}
