My item has been soft rejected 3 time. deu to screenshoot issue

I make 700px X 900px image dimention but I still my item is not approved.I got following reason .

Please make sure your screenshot’s resolution is complying with the following standards, we’ve detected incorrect resolutions in some of the images (these images are shown to the customers after clicking the ‘screenshots’ button below the main preview image). Portrait: from 700px to 900px high. Landscape: a minimum resolution of 1280px x 720px (width x height) and an aspect ratio of 16:9 is required.

Check the Preview.ZIP file.