body {
    font-family: Arial, sans-serif;
    text-align: center;
}

.container {
    margin: 20px auto;
    width: 300px;
}

.images img {
    display: none;
    width: 200px;
    margin-top: 20px;
}

button {
    margin-top: 15px;
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border-radius: 5px;
    border: none;
    cursor: pointer;
}

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

.mensaje {
    font-size: 18px;
    font-weight: bold;
    color: red;
    margin-top: 15px;
}