Parallax Photo Effect
A growing trend on many websites featuring full width images is a three dimensional effect known as parallax effect. According to a Wikipedia definition –
“Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines. “
The term is derived from the Greek word παράλλαξις (parallaxis), meaning “alternation”.
The video below explains how you can apply a parallax effect to one of your images