Паралакс ефект
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.parallax {
/* The image used */
background-image: url("img_parallax.jpg");
/* Set a specific height */
min-height: 500px;
/* Create the parallax scrolling effect */
background-attachment: fixed;
background-position: center;
background-repeat: no-repeat;
background-size: cover;
}
</style>
</head>
<body>
<p>Scroll Up and Down this page to see the parallax scrolling effect.</p>
<div class="parallax"></div>
<div style="height:1000px;background-color:red;font-size:36px">
Scroll Up and Down this page to see the parallax scrolling effect.
This div is just here to enable scrolling.
Tip: Try to remove the background-attachment property to remove the scrolling effect.
</div>