body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    text-align: center;
    margin-top: 60px;
    color: #333;
}
form {
    display: inline-block;
    background: #ffffff;
    padding: 25px 35px;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
}
label, input {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
}
input {
    width: 200px;
    padding: 8px;
    margin: 0 auto 15px auto;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}
button:hover {
    background-color: #0056b3;
}
#resultado {
    margin-top: 25px;
    font-weight: bold;
    font-size: 18px;
}