10 days have passed and my item is still pending, any explanation?
Assuming the item is still in your profile as pending then you can only wait.
There’s no way to know how long review will take as it depends on so many different things many of which are beyond envato’s control.
You can always share the demo link here if you want community feedback in the meantime
Maybe because it is Christmas …
I also bought a theme but the folder does not have CSS files but only JSON files what do I do