.leaflet-popup.custom-popup .leaflet-popup-content-wrapper {
    padding: 0px;
}

.leaflet-popup.custom-popup .leaflet-popup-content {
    margin-left: 0px;
    margin-right: 0px;
}

.leaflet-popup.custom-popup .leaflet-popup-close-button,
.leaflet-popup.custom-popup .leaflet-popup-tip-container,
.leaflet-popup.custom-popup .infoBox-close {
    display: none;
}