Confusion on feedback in my html item

I have uploaded my html item and which i got feedback from client like this way:-

  1. PROPER EVENT BINDING
  2. SPACING AND ALIGNMENT
  3. COLOR PALETTE
  4. LINE LENGTH
  5. LOW CONTRAST

And all issues has been fixed already but again said THE CHANGES ARE NOT ENOUGH. I try and search more to fix some are fix and still have some confussion about this so please help to do some about this issue fix.

Item Link:- https://cyclonethemes.com/demo/html/cyclone-hotel/

Thanks,