.npd-masonry {
    columns: 4;
    column-gap: 10px;
    padding: 0 40px;
    max-width: 1400px;
    margin: 0 auto;
}
.npd-masonry-item {
    break-inside: avoid;
    margin-bottom: 10px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.npd-masonry-item img {
    width: 100%;
    display: block;
    transition: transform .4s ease;
}

@media (max-width: 600px) {
    .npd-masonry {
        columns: 2;
        column-gap: 8px;
        padding: 0 12px;
    }
}
@media (min-width: 600px) and (max-width: 1024px) {
    .npd-masonry {
        columns: 3;
        padding: 0 24px;
    }
}