:root{font-family:system-ui,-apple-system,sans-serif;color:#17342c;background:#f4f8f5}body{margin:0}main{max-width:680px;margin:32px auto;padding:24px;background:white;border:1px solid #d7e5da;border-radius:18px}h1{margin:0 0 12px}section{margin:24px 0}label{display:block;margin:12px 0}input{display:block;box-sizing:border-box;width:100%;padding:12px;margin-top:5px;border:1px solid #9eb5a6;border-radius:8px}button{padding:10px 16px;margin:6px 8px 6px 0;border:0;border-radius:8px;background:#246c4d;color:white;font:inherit}li{margin:8px 0}#message{color:#a33}@media(max-width:720px){main{margin:0;min-height:100vh;border:0;border-radius:0;box-sizing:border-box}}