body{max-width:480px;margin:40px auto;padding:0 16px;font-family:system-ui,sans-serif}label{margin-bottom:12px;display:block}input{box-sizing:border-box;width:100%;margin-top:4px;padding:8px;display:block}small{color:#b00020;margin:-8px 0 12px;display:block}