/* c1 (packet 00-R15C-03, R15-3): where the layout is one column (below 1000 px), a short caption under the art puts the drawing's meaning, its
   central formula and a link to the key on a phone's first screen. At 1000 px and wider the key sits beside the art, so the caption is not shown. */
.ax-cap{margin:0;font-size:15px;line-height:1.5;color:var(--text-2);max-width:40em}
.ax-cap .ax-f{font-size:17px}
.ax-cap a{display:inline-block}
@media (min-width:1000px){.ax-cap{display:none}}