button {
	background-color: lightblue;
	border: 1px solid darkgray;
}

button:hover {
	background-color: lightgrey;
	border: 1px solid darkgray;
}

#qrcode {
  width:100px;
  height:100px;  
  margin: 0 auto;
}

.marker-label-position {
    bottom: 6px;
    left: 0;
    position: relative;
}

.marker-label-position-offset {
    bottom: 6px;
    left: 18px;
    position: relative;
}