body{font-family:Arial,sans-serif;background:#f5f5f5;margin:0}main{max-width:700px;margin:50px auto;background:#fff;padding:30px;border-radius:12px}form{display:flex;gap:10px;margin-bottom:25px}input,button{padding:10px}.produto{display:flex;justify-content:space-between;padding:12px;border-bottom:1px solid #ddd}