HTML Template Hard Rejected! Help Me

My Template is Hard Rejected. Some one Help me to find out the reason.

http://www.truecoder.tech/docpro/

your item need to improve design quality
Starting level design.
study and research about themeforest approved item quality.

hi i think that this is kind of clean but quite frankly, this is also a bit too flat, especially in terms of graphic elements indeed. u may also have to try to consider to introduce a bit of originality typo wise