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CSS - parallax scrolling

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Created by:

elmer

646

In this article, we would like to show you how to create parallax scrolling effect using CSS.

Quick solution:

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background: url("https://example.com/image.png") 0 / cover no-repeat fixed;

Practical example

Edit

In order to create parallax scrolling effect, we need to set background-image for our parallax element with additional background properties.

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<!DOCTYPE html>
<html>
<head>
  <style>
​
    .parallax {
        height: 250px;
        background-image: url("https://dirask.com/static/bucket/1669209714713-xgDEWrBQWo--image.png");  /* <--- required */
        background-size: cover;  
        background-repeat: no-repeat;
        background-attachment: fixed;  /* <--- required */
    }
​
  </style>
</head>
<body>
  <div style="height: 50px; background: lightgray">
    Scroll this web page to see the parallax scrolling effect
  </div>
  <div class="parallax"></div>
  <div style="height: 500px; background: lightgray"></div>
</body>
</html>

Auto running

Explanation:

background-image: url('https://example.com/image.png') - sets image as web page background,
background-attachment: fixed - makes the background doesn't move with the element, even if an element has a scrolling mechanism,
background-size: cover - scales the image (preserving its ratio) to the smallest possible size to fill the container, leaving no empty space.
background-repeat: no-repeat - makes the background image doesn't repeat.