leaflet-bootstrapmodal.css

.leaflet-control-bootstrapmodal {
}

.leaflet-control-bootstrapmodal i {
    font-size: 16px;
    color: #444;

    line-height: 26px;
}

.leaflet-touch .leaflet-control-bootstrapmodal i {
    width: 30px;
    height: 30px;
    line-height: 30px;
}