.wpd-imgages-gallery {
    display: flex;
    flex-wrap: wrap;
    margin: 1.5em 0 0 0;
    padding: 0;
    list-style: none;
}

.wpd-imgages-gallery li {
    margin: 0 .3em .6em;
}

.wpd-imgages-gallery img {
    display: block;
}