body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="number"] {
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 200px;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

#resultado {
    margin-top: 20px;
    padding: 15px;
    background-color: #c4c5c7;
    border: 1px solid #afb3b6;
    border-radius: 4px;
    width: 250px;
    text-align: center;
}