How do i get rid of this huge white space at the bottom of my page?

[blai96]

Hi there, can someone please help me get rid of the white space found in the bottom of my page as marked in red in the picture below? This is a much bigger issue especially on mobile. I'm also using the paid theme Streamline. Thank you!

[AlexEffron]

For that, I need to analyze your website and then I can provide any solution over here.

So Please provide website URL and if your store is password protected then also provide password.