.marker-cluster-stufe-1 {
  background-color: #4080bf;
}
.marker-cluster-stufe-1 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-2 {
  background-color: #336699;
}
.marker-cluster-stufe-2 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-3 {
  background-color: #264d73;
}
.marker-cluster-stufe-3 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-4 {
  background-color: #19334d;
}
.marker-cluster-stufe-4 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-5 {
  background-color: #0d1926;
}
.marker-cluster-stufe-5 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-6 {
  background-color: rgba(192, 3, 3, 1.00);
}
.marker-cluster-stufe-6 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-7 {
  background-color: rgba(155, 6, 0, 1.00);
}
.marker-cluster-stufe-7 div {
  background-color: rgba(255, 255, 0, 0);
}
.marker-cluster-stufe-8 {
  background-color: rgba(119, 5, 0, 1.00);
}
.marker-cluster-stufe-8 div {
  background-color: rgba(255, 255, 0, 0);
}

.marker-cluster-medium {
  background-color: rgba(255, 0, 0, 1.00);
}
.marker-cluster-medium div {
  background-color: rgba(255, 127, 0, 0);
}

.marker-cluster-large {
  background-color: rgba(139, 0, 121, 1.00);
}
.marker-cluster-large div {
  background-color: rgba(255, 0, 0, 0);
}

/* IE 6-8 fallback colors */
.leaflet-oldie .marker-cluster-small {
  background-color: rgba(255, 255, 0, 1.00);
}
.leaflet-oldie .marker-cluster-small div {
  background-color: rgba(255, 255, 0, 0);
}

.leaflet-oldie .marker-cluster-medium {
  background-color: rgba(255, 127, 0, 1.00);
}
.leaflet-oldie .marker-cluster-medium div {
  background-color: rgba(255, 127, 0, 0);
}

.leaflet-oldie .marker-cluster-large {
  background-color: rgba(255, 0, 0, 1.00);
}
.leaflet-oldie .marker-cluster-large div {
  background-color: rgba(255, 0, 0, 0);
}

.marker-cluster {
  background-clip: padding-box;
  border-radius: 1000px;
}
.marker-cluster div {
  width: 30px;
  height: 30px;
  margin-right: auto;
  margin-left: auto;
  
  text-align: center;
  border-radius: 1000px;
  font: 12px "Helvetica Neue", Arial, Helvetica, sans-serif;
  color: white;
}
.marker-cluster span {
  line-height: 30px;
}