body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
    background-color: #f4f4f4;
}

.container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

h2 {
    color: #333;
    margin-bottom: 20px;
}

input, button {
    font-size: 18px;
    margin: 10px;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    background-color: #007BFF;
    color: white;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s;
}

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

#resultado {
    font-size: 20px;
    font-weight: bold;
    margin-top: 15px;
}

#solucion {
    margin-top: 15px;
    padding: 10px;
    background-color: #e9ecef;
    border-radius: 5px;
    font-size: 16px;
}