#main_content_wrapper figcaption h1 {
    text-align: center;

    border-bottom: solid 3px darkgrey;
    font-size: 1.8rem;

    margin-bottom: 0.3rem;
}

#gallery_image {
    display: block;
    max-width: 100%;

    max-height: 80vh;

    margin-left: auto;
    margin-right: auto;
}