body{
    background-image: url(images/fondo\ cyberpunk.jpg);
    color: azure;
}
.error-container {
    margin-top: 100px;
    background: -webkit-linear-gradient(top,rgba(33, 32, 116, 0.503),rgba(69, 11, 146, 0.492));
    background-color: #5f1686a9;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}