body{font-family:Arial,sans-serif;background-color:#e3e3e39e;margin:0;padding:20px}.container{max-width:900px;margin:auto;background-color:#fff;padding:30px;border-radius:10px;box-shadow:0 0 10px #0000004d}h2{text-align:center;margin-bottom:20px;color:#333}.controls{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}input[type=text],select{padding:10px;font-size:16px;border-radius:5px;border:1px solid #ccc;width:250px}input[type=text]:focus,select:focus{border-color:#007bff;outline:none}.country-box{background-color:#f8f9fa;padding:20px;margin-bottom:20px;border-left:4px solid #007bff;border-radius:8px}.country-box h3{margin-top:0;color:#007bff}.country-box ul{padding-left:20px;margin-top:10px}.country-box li{line-height:1.6}