Parallax Scrolling on the Momentum Squarespace Template

While working on my wife’s web page, I ran into a difficult challenge. She asked for a page to include parallax scrolling on a template that does not include parallax scrolling as a feature. In this case, we’re using Momentum. I figured I might have to dive into developer mode to achieve this, but I’ve been running into problems getting that to work, so I thought I’d take a stab at it without developer mode.

Requirements were clear:

  • Stationary parallax scrolling (image stays stationary while other elements scroll over it)
  • Images must be added/edited in the Squarespace online design tools (no hard-coding images here)
  • Height of the “window” must be editable in the Squarespace online design tools as well
  • Must be able to embed text over the images

After walking through a few examples online, I figured it shouldn’t be too hard to accomplish with some CSS and jQuery. I added several “poster” and “text” blocks to a page and plugged the following code into the page header. You could put this in code injection if you wanted this effect on every page.

<script src="//"></script>

html {
	overflow-x: hidden;
.image-inset {	
	background-attachment: fixed;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	padding: 0px;
	border: 0px;
	width: 100vw;
	position: relative;
	left: 50%;
	right: 50%;
	margin-left: -50vw;
	margin-right: -50vw;
	overflow: hidden;
.sqs-block-image .image-block-outer-wrapper.image-block-v2 .intrinsic img {
	display: none;
.sqs-block-image .image-block-outer-wrapper.image-block-v2 .image-overlay {
	display: none;

	$('.image-inset').each(function(i,e) {
		$(e).css('background-image', 'url("'+$(e).children('img')[0].src+'")');

To get this to work on other templates, you might need to tweak the CSS a bit, but it should be doable.

 Eric is a software engineer and father of two, who's hobbies include video games, open source software, and just being a geek. Read more from this author

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