WordPress/wp-includes/blocks/post-author/style.min.css

.wp-block-post-author{display:flex;flex-wrap:wrap}.wp-block-post-author__byline{width:100%;margin-top:0;margin-bottom:0;font-size:.5em}.wp-block-post-author__avatar{margin-right:1em}.wp-block-post-author__bio{margin-bottom:.7em;font-size:.7em}.wp-block-post-author__content{flex-grow:1;flex-basis:0}.wp-block-post-author__name{font-weight:700;margin:0}