.gallery_container a {
    display: inline-block;
    padding: 5px;
    border: 0;
    white-space-collapse: collapse;
    float: left;
    cursor: zoom-in;
}

.gallery_container a img {
    display: block;
}

.clearfix::after {
    content: "";
    clear: both;
    display: table;
}


@media screen and (max-width: 550px) {
    .gallery_container a img {
        width: 120px;
    }
}