blank big white space suddenly occur in my website

Hi,
There is such a big white-blank space occurs in my website. You will see it in “Most popular Blog Post” area on home page and also when you click “all departments” -> Groceries -> Cupboard Food – you will see the same black space in left site of the screen where product categories are appeared randomly with black spaces. I don’t know why this is happened suddenly and how can i fix it?

• This topic was modified 2 years, 1 month ago by Jan Dembowski. Reason: Moved to Fixing WordPress, this is not an Developing with WordPress topic

The page I need help with: [log in to see the link]