.marker{
  width: 27px;
  height: 40px;
  position: absolute;
  left: -13px;
  top: -35px;
  font-size: 12px;
  font-weight: bold;
  line-height: 25px;
  letter-spacing: -1px;
  text-align: center;
  color: #fff;
}
 
.marker.black{
  background: url(marker_black.png);
}