Parallax scrolling is used to add visual interest to a website and engage users as they scroll through a web page. In a parallax scrolling effect, both the foreground and background are moving, but the background typically moves much more slowly, giving the illusion of depth.By using Cascading Style Sheets (CSS) — the coding language used to enhance the appearance of your website — you can create engaging, scrolling features that can help to tell the story of your brand.Parallax scrolling is a visual effect where the background of a web page appears to stay still while the foreground shifts vertically or horizontally. Parallax scrolling is used to add visual interest to a website and engage users as they scroll through a web page.In a parallax scrolling effect, both the foreground and background are moving, but the background typically moves much more slowly, giving the illusion of depth. Done correctly, parallax scrolling produces a fascinating and seamless virtual experience.A slower moving background embodies the same type of feeling as when you are inside a moving vehicle looking out: the sky and clouds in the background appear to move at a slower pace than the trees and houses in the foreground. Let’s take a look at this effect in play.