.marker-cluster-small { background-color: rgb(143, 0, 0, 0.3); }
.marker-cluster-small div { background-color: rgb(143, 0, 0, 1); }

.marker-cluster-medium { background-color: rgba(241, 211, 87, 0.6); }
.marker-cluster-medium div { background-color: rgba(240, 194, 12, 0.6); }

.marker-cluster-large { background-color: rgba(253, 156, 115, 0.6); }
.marker-cluster-large div { background-color: rgba(241, 128, 23, 0.6); }

/* IE 6-8 fallback colors */
.leaflet-oldie .marker-cluster-small { background-color: rgb(181, 226, 140); }
.leaflet-oldie .marker-cluster-small div { background-color: rgb(110, 204, 57); }

.leaflet-oldie .marker-cluster-medium { background-color: rgb(241, 211, 87); }
.leaflet-oldie .marker-cluster-medium div { background-color: rgb(240, 194, 12); }

.leaflet-oldie .marker-cluster-large { background-color: rgb(253, 156, 115); }
.leaflet-oldie .marker-cluster-large div { background-color: rgb(241, 128, 23); }

.marker-cluster {
    background-clip: padding-box;
    border-radius: 20px;
}

.marker-cluster div {
    width: 30px;
    height: 30px;
    margin-left: 5px;
    margin-top: 5px;
    text-align: center;
    border-radius: 15px;
    font: 12px "Helvetica Neue", Arial, Helvetica, sans-serif;
}

.marker-cluster span {
    line-height: 30px;
    color: white;
}

.leaflet-cluster-anim .leaflet-marker-icon,
.leaflet-cluster-anim .leaflet-marker-shadow {
    transition: transform 0.3s ease-out, opacity 0.3s ease-in;
}

.leaflet-cluster-spider-leg {
    transition: stroke-dashoffset 0.3s ease-out, stroke-opacity 0.3s ease-in;
}