.window.pictureviewer .body {
    min-width: 100px;
    min-height: 100px;
    max-width: 800px;
    max-height: 800px;
    overflow: scroll;
}

.window.pictureviewer .pictureviewer-image {
    display: block;
    padding: 10px 25px 20px 10px;
}