JSFiddle - React, Tailwind, and code Playground

HTML

<section id="home" data-speed="10" data-type="background">
		<article>I am Absolute Positioned</article>
</section>

<section id="produtos" data-speed="4" data-type="background">
    <article>I am Absolute Positioned</article>
</section>

<section id="empresa" data-speed="3" data-type="background">
    <article>I am Absolute Positioned</article>
</section>

<section id="contato" data-speed="6" data-type="background">
    <article>I am Absolute Positioned</article>
</section>

CSS

body{
	margin: 0;
	padding: 0;
}

#home, #produtos, #empresa, #contato{
	width: 100%;
}

#home { 
	background: #FFCC00 url(http://www.alsite.com.br/setevoltas/imagens/firstBG.jpg) 50% 0 no-repeat fixed; 
	height: 1000px;  
	margin: 0 auto; 
    width: 100%; 
    max-width: 1920px; 
    position: relative;
}

#produtos { 
	background: #CC0000 url(http://www.alsite.com.br/setevoltas/imagens/secondBG.jpg) 50% 0 no-repeat fixed; 
	height: 1000px;
	margin: 0 auto; 
    width: 100%; 
    max-width: 1920px; 
    position: relative;
}

#empresa { 
	background: #0CCFF1 url(http://www.alsite.com.br/setevoltas/imagens/firstBG.jpg) 50% 0 no-repeat fixed; 
	height: 1000px;  
	margin: 0 auto; 
    width: 100%; 
    max-width: 1920px; 
    position: relative;
}

#contato { 
	background: #A2B3C4 url(http://www.alsite.com.br/setevoltas/imagens/secondBG.jpg) 50% 0 no-repeat fixed; 
	height: 1000px;
	margin: 0 auto; 
    width: 100%; 
    max-width: 1920px; 
    position: relative;
}

JavaScript

$window = $(window);

$('section[data-type="background"]').each(function(){
    var $bgobj = $(this); // assigning the object
    $(window).scroll(function() {
        
        // Scroll the background at var speed
        // the yPos is a negative value because we're scrolling it UP!								
        var yPos = -($window.scrollTop() / $bgobj.data('speed')); 
        
        // Put together our final background position
        var coords = '50% '+ yPos + 'px';
        
        // Move the background
        $bgobj.css({ backgroundPosition: coords });
        
    }); // window scroll Ends
    
});