body {
  position: relative;
}
#map {
  width: 100%;
  height: 100vh;
}
#mnu {
  position:absolute;
  width: auto;
  height: auto;
  top:16px;
  right:20px; 
  z-index:10000;
  background-color: rgba(255,255,255,0.7);
}
#gpx {
  background-color: #ccc;
  box-shadow: 4px 4px 4px rgba(0,0,0,0.4);
  border-radius:6px;
  display: none;
}

#wait {
  position:fixed;
  top:50%;
  left: 50%; 
  transform: translate(-50%, -50%);
  z-index: 10000;
  display: none;
}