.row-gallery {
    margin-left: -10px;
    margin-right: -10px;
}

.row-gallery > * {
    padding-left: 10px;
    padding-right: 10px;
    margin-bottom: 20px;
}

.gallery-photo {
    width: 100%;
    height: 28vw;
    max-height: 522px;
    overflow: hidden;
    position: relative;
}
.gallery-photo:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
    background: linear-gradient(45deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 42%, rgba(0,0,0,0) 100%);
    z-index: 1;

}
.gallery-photo img {
    width: 100%;
    min-height: 100%;
    object-fit: cover;
}

@media (max-width: 767px) {
    .gallery-photo {
        height: 320px;
    }
}