body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
}
.container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}
input {
    padding: 10px;
    width: 100px;
    margin: 10px;
}
button {
    padding: 10px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
}
button:hover {
    background-color: #0056b3;
}
.resultado {
    margin-top: 20px;
    font-weight: bold;
}