/* Center standalone images on every slide, and within their column. */
.reveal .slides section p:has(> img) {
  text-align: center;
  margin: 0.25em 0;
}

/* Drop reveal's default image margins so images sit close to their
   neighbors (check icons, captions), as they did in xaringan. */
.reveal .slides section p:has(> img) img {
  margin: 0;
}

/* A table's auto vertical margins swallow the free space on {{< middle >}}
   slides, pinning the title to the top. Keep only horizontal centering. */
.reveal .slides section.middle > table {
  margin-top: 0;
  margin-bottom: 0;
}