.gallery {
    max-width: 80%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}
@media (min-width: 768px) {
    .gallery {
        max-width: 60%;
        margin: 0;
    }
}
.gallery img {
    cursor: pointer;
    width: 100%;
    height: auto;
}
.gallery .lg-thumb-item {
    display: none;
}