.caption {
  display: table;
}
.caption > * {
  display: block;
  max-width: 100%;
}
.caption > figcaption {
  display: table-caption;
  max-width: none;
  caption-side: bottom;
}


.caption > figcaption[contenteditable=true]:empty:before {
  content: attr(data-placeholder);
  font-style: italic;
}