body{font-family:Arial,sans-serif;background-color:#f4f4f4;margin:0;padding:0}.container{max-width:600px;margin:50px auto;padding:20px;background:#fff;box-shadow:0 0 10px rgb(0 0 0 / .1)}h1,h2{text-align:center}form{display:flex;flex-direction:column}label{margin:10px 0 5px}input,select{padding:10px;margin-bottom:20px}button{padding:10px;background:#007BFF;color:#fff;border:none;cursor:pointer}button:hover{background:#0056b3}#result{margin-top:20px;text-align:center}