#gps-map-btn {
  position: absolute;
  right: 1em;
  top: 0.25em;
  z-index: 1;
  font-size: 1.5rem;
  padding: 0.25em 0.5em;
}

#gps-map-btn :focus {
  box-shadow: none;
  width: 80%;
  height: 80%;
}