body {
  margin: 0;
  padding: 0;
}

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

/* Message */
#message {
  display: none;
  opacity: 0;
  position: fixed;
  top: 2vh;
  left: 50%;
  transform: translateX(-50%);
  padding: 1em 2em;
  background-color: #ffffff;
  border: 2px solid #7ebc6f;
  text-align: center;
}

#message.show {
  display: block;
  opacity: 1;
}