.wp-block-post-author-name.is-style-links-plain a.wp-block-post-author-name__link,
.wp-block-post-author-name.is-style-links-underline-on-hover a.wp-block-post-author-name__link {
	text-decoration: none;
}

.wp-block-post-author-name.is-style-links-underline-on-hover a.wp-block-post-author-name__link:hover {
	text-decoration: underline;
}