:where(:root, :root .editor-styles-wrapper) :where(.is-layout-constrained, .is-layout-flow) > :is(
  .wp-block-heading + .wp-block-heading,
  .wp-block-heading + ul,
  .wp-block-heading + p,
  p + p,
  p + ul,
  p + .wp-block-buttons,
  :first-child + h1
) {
  margin-block-start: var(--wp--preset--spacing--s);
}