/**
 * Styling for the inline reference footnote widget in CKEditor 5.
 */
span.reference-footnote {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: middle;
  background: no-repeat center center;
  background-size: 16px 16px;
  border: 1px solid #ccc;
  border-radius: 2px;
  padding: 0;
  margin: 0 2px;
  box-sizing: border-box;
}