body{
  font-family: 'Helvetica', Arial, sans-serif;
}

#boton {
  position: absolute;
  top: 25px;
  right: 20px;
}

#latlng{
  display: block;
  margin: 0;
  padding: 0;
  position: absolute; 
  top: 0;            
  right: 0;
  height: 50px;
}

#map{
  display: block;
  margin: 0;
  padding: 0;
  position: absolute; 
  top: 60px;     
  left: 0;      
  right: 0;
  bottom: 0;
  background: rgba(0,255,0,0.5); 
}