JSFiddle - React, Tailwind, and code Playground
HTML
<div id="grid">
</div>
CSS
#grid{
width: 60px;
height: 60px;
background-image: url('http://sandropaganotti.com/wp-content/uploads/2013/09/bianconero2.png');
margin: 300px auto;
}
body{
height: 1000px;
}
JavaScript
var grid = $('#grid').eq(0);
requestAnimationFrame(adjustposition);
function adjustposition(){
"use strict";
requestAnimationFrame(adjustposition);
grid.css('background-position', $(window).scrollTop() % 2 === 0 ? '0 -60px' : '0 0');
}