html, body, #map{
  height: 100%;
  margin: 0;
}

.leaflet-areaselect-container {
  position:absolute;
  width:100%;
  height:100%;
}

#urlArea {
  background-color: rgba(255, 255, 255, 0.5);
  font-family: sans-serif;
  position: absolute;
  top: 0px;
  left: 50%;
  z-index: 100000;
}