#map {
  height: 100%;
}
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

#controls {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 2em;

}

#controls button {
  border: none;
  color: white;
  font-size: 1.4em;
  padding: .5em 1em;
  cursor: pointer;
}

#controls button.people {
  background: magenta;
}

#controls button.status {
  background: green;
}