.marker-cluster-small,
.marker-cluster-medium,
.marker-cluster-large {
    background-color: rgba(240, 144, 0, 0.8);
}

/* IE 6-8 fallback colors */
.leaflet-oldie .marker-cluster-small,
.leaflet-oldie .marker-cluster-medium,
.leaflet-oldie .marker-cluster-large {
    background-color: rgb(240, 144, 0);
}

.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;
}