body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

.error-message {
    width: 80%;
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.links {
    width: 80%;
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    margin-top: 40px;
}