.comment-back-bar{text-align:center;height:1.2rem;font-size:0}.comment-back-bar .comment-back-btn{position:relative;top:.3rem;display:inline-block;height:.6rem;line-height:.6rem;width:2.2rem;border:1px solid #fd4c5b;border-radius:.3rem;font-size:.28rem;color:#fd4c5b;text-align:center;text-decoration:none}