.leaflet-grid-label .gridlabel-vert {
  margin-left: 8px;
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}

.leaflet-grid-label .gridlabel-vert,
.leaflet-grid-label .gridlabel-horiz {
  padding-left: 2px;
  text-shadow: -2px 0 #ffffff, 0 2px #ffffff, 2px 0 #ffffff, 0 -2px #ffffff;
}