body {
    text-align: center;
}

article {
    margin: 32px 10px;
}

figure {
    width: min(400px, 50vw);  /* responsive: 400px max, but 50% on small screens */
    margin: 20px auto;      /* auto centers the block */
    margin-bottom: 40px;
}

figure img {
    width: 100%;         /* fills the figure width */
    display: block;     /* fills the figure height */
}

figure figcaption {
    font-style: italic;
    font-size: .8rem;
    padding: 2px 0;
    text-align: left;
}

address {
    margin-bottom: 10%;
}