Number of columns is depending from used screen resolution. Huntt theme displays 4 columns on resolutions above 1900px width. Between 1900 and 1400px will be displayed 3 columns, 2 columns between 1400 and 992px, and one column belov 992px width.
And is there a way to ‘zoom out’ automatically?
Right now when you open the page you only see a fragment of the posts, and the menu on the right is not fully visible. If people don’t look properly they miss half of the content.