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