Изменение картинки при прокрутке [закрыт]

$(window).scroll(function() { 
  var scroll = $(window).scrollTop(); 
	$(".zoom img").css({ 
		transform: 'translate3d(-50%, -'+(scroll/100)+'%, 0) scale('+(100 + scroll/5)/100+')', 
		//Blur suggestion from @janwagner: https://codepen.io/janwagner/ in comments 
		//"-webkit-filter": "blur(" + (scroll/200) + "px)", 
		//filter: "blur(" + (scroll/200) + "px)" 
	}); 
});

/* --- General Pen Styles --- */ 
body{ 
	font-family: Georgia, serif; 
	color: #333; 
	font-size: 1.4rem; 
	line-height: 2rem; 
} 
a{color: #000;} 
h1{ 
	font-size: 2.6rem; 
	line-height: 2.6rem; 
} 
.content{ 
	margin: 0 auto; 
	max-width: 90%; 
	width: 720px; 
} 
main{ 
	padding: 1% 0; 
	position: relative; 
	background: #f5f5f5; 
	box-shadow: 0px -10px 60px rgba(0,0,0,0.25); 
		height: 100%; 
} 
footer p{ 
	font-size: .8rem; 
	font-weight: bold; 
	color: #ccc; 
} 
footer a{color: #ccc;} 
/* --- Important Pen Styles --- */ 
 
.zoom{ 
	overflow: hidden; 
	padding-bottom: 55%; 
} 
.zoom img{ 
	position: fixed; 
	top: 0%; 
	left: 50%; 
	max-width: 200%; 
	width: 100%; 
	transform: translateX(-50%); 
	/* Thanks  @bastian_fiessinger. Use when activating blur effect: 
	will-change: -webkit-filter, filter, transform; */ 
} 
@media (max-width: 667px) { 
	h1{ 
		font-size: 1.8rem; 
		line-height: 2.6rem; 
		text-align: left; 
	} 
	.content{ 
		margin: 0 auto; 
		max-width: 90%; 
		width: 100%; 
		height: 100%; 
		text-align: justify; 
	} 
	.zoom{ 
		overflow: hidden; 
		padding-bottom: 75%; 
	} 
 
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> 
<header class="zoom"> 
	<img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/927610/pexels-photo-587409.jpeg"> 
</header> 
<main role="main"> 
	<div class="content"> 
		<h1>Zoom Hero Image on Scroll</h1> 
		 <a href="http://webdesignerwall.com/tutorials/how-to-add-icon-fonts-to-any-element-with-css" alt="webdesignerwall.com" target="_blank">View Tutorial</a> 
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		<footer> 
<p>A <a href="http://www.webdeisgnerwall.com" alt="web designer wall" target="_blank">webdesignerwall.com</a> Tutorial</p> 
</footer> 
	</div> 
	 
</main>