h1 {
    text-align: center;
    margin: 20px 0;
    padding: 50px 0;
}
.masonry {
    width: 1200px;
    margin: 0 auto 50px;
    column-count: 4;
    column-gap: 15px;
}

.masonry-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 15px;
    break-inside: avoid;
    cursor: zoom-in;
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
    transition: transform .3s ease;
}

.masonry-item:hover img {
    transform: scale(1.03);
}

@media (max-width: 1200px) {
    .masonry {
        width: 100%;
        column-count: 3;
    }
}
@media (max-width: 800px) {
    .masonry {
        column-count: 2;
    }
}
@media (max-width: 500px) {
    .masonry {
        column-count: 1;
    }
}