Plz let me know the reason of hard reject here is my item url. Plz help me to find out the hard reject reason.

your colors is bad, error w3c is demo, spacing, more your need practice more html for accepted your sell regards.

I am also working on re-submission and changes in my template.
One thing upon research I found that every themeforest template which I check has no warning and errors when you check on
I Found there were warning in in my template which I ignored. and so as your’s too. The second improvement which I will suggest as the design look quite out dated you need to polish it, some good addition of fonts, images and jquery effects will give it a life.