Zoom-in image effect
on page scroll

Background image is being resized to 156% of it's original size and the top and left offset
increased to -28%.

Zoom-in image effect
on page scroll

Similar to previous slide, this time we are resizing to 196% of the original size and top/left offset is going from 0 to -48%.

Zoom-out image effect
on page scroll

Reversed zoom-out effect gives you also quite interesting result.

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