#property_images .filepond--item {
    width: calc(50% - 0.5em);
}
@media (min-width: 30em) {
    #property_images .filepond--item {
        width: calc(50% - 0.5em);
    }
}

@media (min-width: 50em) {
    #property_images .filepond--item {
        width: calc(33.33% - 0.5em);
    }
}