body{font:17px system-ui;background:#f4f7fa;color:#18354a}main{max-width:360px;margin:12vh auto;padding:32px;background:white;border-radius:12px}label{display:block;margin:16px 0}input{box-sizing:border-box;width:100%;padding:10px;margin-top:6px}button{padding:10px 26px;background:#224f71;color:white;border:0;border-radius:6px}#message{color:#a12828}