.popup-gallery > a {
    display: none;
    position: relative;
}
.popup-gallery > a:first-child {
    display: inline-block;
}
.popup-gallery > a > img {
    width: 400px;
}
.popup-gallery > a:after {
    content: ' ';
    display: block;
    background: url('/https/www.sqlmaestro.com/i/zoom_in.png') no-repeat right bottom;
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
}

.popup-gallery.news-image-caption > a:after {
    bottom: 37px;
}