.img_center {
    display: block;
    margin: 1.5em auto;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Figures rendered by the MyST {figure} directive */
figure.align-center {
    margin: 1.5em auto;
}

figure.align-center img {
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

figcaption {
    font-size: 0.9em;
    color: var(--pst-color-muted, #6c757d);
    text-align: center;
    margin-top: 0.4em;
}