/* Publication code before a title (J84., BC12., ...): smaller and muted, on the title's baseline.
   It is joined to the title's first word by a non-breaking space, so it never ends a line on its own. */

.publication-code {
    font-size: 0.75em;
    font-weight: 600;
    color: #64748b;
    white-space: nowrap;
}