blank white screen cover my store in every click

you need to scrool down with the mouse a little bit when you are enter first time or refresh the page

http://dresssmart.co.il/category/womens/

I am using also chrome, when you enter the page is look good, and when you start scroll down the screen become with white blank for half a second and back again for his original look. if you miss it , so you can refresh the page and then scroll again and you will see it.