.gallery {
    max-width: 1000px;
}

    .gallery img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        max-width: 170px;
        max-height: 185px;
        transition: 1s;
        padding: 2px;
        vertical-align: middle;
        background-color: black;
        margin: 10px;
        filter: drop-shadow(2px 2px 3px gray);
    }

        .gallery img:hover {
            filter: drop-shadow(4px 4px 6px gray);
            transform: scale(1.1);
        }