Hi, Why my item hard rejected .. Can some one help me ?

I get this message

Thank you for your submission. We have completed our review of “Animated CSS Natural Background” and unfortunately we found it isn’t at the quality standard required to move forward, and you won’t be able to re-submit this item again.

We appreciate the effort and time you’ve put into creating your item. And we’d be happy to help make sure your next entry will meet our submission requirements. Here’s our advice:
item link

There’re better “free” options as this is not a premium item to sell at CC