.error-container {
    text-align: center;
    margin-top: 5rem;
    color: #444;
}

    .error-container h1 {
        font-size: 2.5rem;
        color: #c0392b;
    }

    .error-container p {
        margin: 0.5rem 0;
    }

    .error-container a {
        display: inline-block;
        margin-top: 1rem;
        padding: 0.5rem 1rem;
        background: #2c3e50;
        color: #fff;
        text-decoration: none;
        border-radius: 4px;
    }

        .error-container a:hover {
            background: #1a242f;
        }