#content{display:flex;flex-direction:column;justify-content:center;align-items:center;padding-top:4rem}#content .btn{margin-top:1.333333rem;width:5.333333rem;height:1.066667rem;line-height:1.066667rem;text-align:center;background-color:#4899cf;font-weight:600;color:#fff;border-radius:.213333rem}