@wordpress/block-library/build-style/pullquote/editor.css

Block library for the WordPress editor.

.wp-block-pullquote.is-style-solid-color blockquote p {
  font-size: 32px;
}
.wp-block-pullquote.is-style-solid-color .wp-block-pullquote__citation {
  text-transform: none;
  font-style: normal;
}

.wp-block-pullquote__citation {
  color: inherit;
}

.wp-block-pullquote[style*=line-height] :where(p) {
  line-height: inherit;
}