body{max-width:38rem;margin:3rem auto;padding:0 1rem;font:16px system-ui,sans-serif}label{margin:1.25rem 0 .35rem;display:block}input,button{font:inherit;padding:.55rem}input{box-sizing:border-box;width:100%}button{cursor:pointer;margin-top:1.5rem}.hint{color:#555;font-size:.9rem}