Submission getting hard rejected

We are planning to sell exclusively in ennvato market. Our designers and develovepers have built a teamplate using react and bootstrap but it is getting hard rejected. We do not have any previous experience in envato market so please guide us. We would like to know all about licensing issues and the main reasons to get hard rejected. Here is the demo:
Thank You

Hope this post gets a reply from professional soon :smiley: @charlie4282