body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f9f9f9;color:#333}h1,h2{text-align:center;color:#2c3e50}form{max-width:600px;margin:30px auto;padding:20px;background-color:#fff;box-shadow:0 4px 10px #0000001a;border-radius:12px}form input,form select,form button{display:block;width:100%;margin:10px 0;padding:12px;font-size:16px;border-radius:8px;border:1px solid #ccc;box-sizing:border-box}form button{background-color:#3498db;color:#fff;border:none;cursor:pointer;transition:background-color .3s ease}form button:hover{background-color:#2980b9}ul{list-style:none;padding:0;max-width:700px;margin:0 auto}li{background-color:#fff;padding:15px 20px;margin:10px 0;border-radius:10px;box-shadow:0 2px 8px #0000000d;display:flex;justify-content:space-between;align-items:center}li button{background-color:#e74c3c;color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer;transition:background-color .3s ease}li button:hover{background-color:#c0392b}