Why my application has been rejected , need help/feedback.

Hello everyone.
My first application has been rejected. I can’t understand why it was rejected. Need feedback.

Reviewer Message:

Thank you for your submission. We have completed our review of “VideoJS 4 SkinsPack/Plugin With Extended Functionality” 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.

Demo page:

Need Help/Suggestions