.authors_ul{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;text-align:center}.authors_ul span{display:block}.authors_ul .author_item{width:calc(50% - 10px)}.authors_ul .author_img{margin:0 auto 20px;width:72%}.authors_ul .author_role{font-size:1.2rem;margin:0 auto 10px}.authors_ul .author_name{font-size:1.4rem;font-weight:bold;margin-bottom:20px}