hide_code = """
() => {
    const confirmationMessage = document.getElementById('confirmation-message');
    confirmationMessage.style.display = 'block';
    confirmationMessage.style.opacity = 1;
    setTimeout(() => {
        confirmationMessage.style.transition = 'opacity 8s';
        confirmationMessage.style.opacity = 0;
    }, 1000);
    setTimeout(() => {
        confirmationMessage.style.display = 'none';
    }, 9200); // 2000ms for transition
}
"""

# Add CSS for the fade-out effect
hide_css = """
<style>
#confirmation-message {
    opacity: 1;
}
</style>
"""