That could be done by adding custom code for different Screen sizes. Depends on which screen sizes and how much spacing you need at that point.

I cant share the link, I can show Screenshots I want button in middle in Mobile viewAnd I want to hide this white space on home page, it only like this on home page, on product page its perfect like this 

Hello, I want to remove white space from my footerI want to keep the instagram logo, but remove the payment logos and that space too.Another thing is  I want this button to be in the middle of banner in mobile, It was in middle in desktop so I used c...