.wx_login{position:relative;height:100vh;width:100vw;background:#fff}.wx_login .login_wrap{position:absolute;top:0;left:0;right:0;bottom:0;margin:auto;text-align:center;width:80%;height:.25rem;font-size:.14rem;color:#888;line-height:.3rem}.wx_login .login_wrap img{vertical-align:middle}