404.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - Page Not Found</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css">
    <style>
        body {
            background-color: #2c2c2c; /* Dark background color */
            color: #f1f1f1; /* Light text color */
        }

        .container {
            display: flex;
            justify-content: center;
            height: 100vh;
            align-items: center;
            width: 100%;
        }

        .bg-image {
            height: 400px;
            width: 500px;
            background-position: center;
            background-size: cover;
            background-image: url('https://cdn.dribbble.com/users/1879428/screenshots/3894567/media/fe1acc660a01fb84e9ad7d5cf07be278.gif');
        }

        .text-center {
            text-align: center;
        }

        .fw-semibold {
            font-weight: 600;
        }

        .btn-success {
            background-color: #28a745;
        }

        .btn-lg {
            padding: 10px 20px;
            font-size: 1.25rem;
        }

        .dark-bg {
            background-color: #333; /* Slightly lighter dark for the content box */
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }
    </style>
</head>

<body>
    <section class="bg-dark">
        <div class="container">
            <div class="text-center dark-bg">
                <div class="bg-image"></div>
                <div class="mt-3">
                    <h3 class="display-6 mb-1 fw-semibold">Looks like you're lost in Space</h3>
                    <p class="fw-semibold">The page you are looking for is not available!</p>
                    <a href="/" class="btn btn-success btn-lg my-4">Home</a>
                </div>
            </div>
        </div>
    </section>
</body>

</html>