.leaflet-popup-content-wrapper {
    min-width: 200px;
    max-width: 600px;
}

@media (max-width: 600px) {
    .leaflet-popup-content-wrapper {
        max-width: 450px;
    }
}

.leaflet-popup-content {
    font-size: 14px !important;
    line-height: 1.5;
    margin: 13px 19px;
    min-width: 180px;
    word-break: break-word;
    overflow-wrap: break-word;
}
.leaflet-popup-content strong {
    font-size: 15px;
}