JSFiddle - React, Tailwind, and code Playground

HTML

<body id="page-top" data-target=".navbar-fixed-top">
    
    <nav class="navbar navbar-default navbar-fixed-top" role="navigation">
        <div class="container-fluid">
            
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
            </div>
            
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                
                <ul class="nav navbar-nav navbar-right">
                    <li><a href="#group2">Home</a></li>
                    <li><a href="#group3">About</a></li>
                    <li><a href="#group5">Products</a></li>
                    <li><a href="#group7">Contact</a></li>
                </ul>
                
            </div>  
        </div>
    </nav>
    
    
    <div class="parallax">
        
        <div id="group2" class="parallax__group">
            <div class="parallax__layer parallax__layer--back">
                <div class="title">START</div>
            </div>
        </div>
        <div id="group3" class="parallax__group">
            <div class="parallax__layer parallax__layer--base">
                <div class="title">ABOUT</div>
            </div>
        </div>
        <div id="group4" class="parallax__group">
            <div class="parallax__layer parallax__layer--deep">
                <div class="title">RANDOM PICTURE</div>
            </div>
        </div>
        <div id="group5" class="parallax__group">
            <div class="parallax__layer parallax__layer--base">
                <div class="title">PRODUCTS</div>
            </div>
        </div>
        <div id="group6" class="parallax__group">
  ...

CSS

.parallax {
    height: 500px; /* fallback for older browsers */
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-perspective: 300px;
    perspective: 300px;
}

.parallax__group {
    position: relative;
    height: 500px; /* fallback for older browsers */
    height: 100vh;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.parallax__layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.parallax__layer--fore {
    -webkit-transform: translateZ(90px) scale(.7);
    transform: translateZ(90px) scale(.7);
    z-index: 1;
}

.parallax__layer--base {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    z-index: 4;
}

.parallax__layer--back {
    -webkit-transform: translateZ(-300px) scale(2);
    transform: translateZ(-300px) scale(2);
    z-index: 3;
}

.parallax__layer--deep {
    -webkit-transform: translateZ(-600px) scale(3);
    transform: translateZ(-600px) scale(3);
    z-index: 2;
}




/* demo styles
--------------------------------------------- */

body, html {
    overflow: hidden;
}

body {
    font: 100% / 1.5 Arial;
}

* {
    margin:0;
    padding:0;
}

.parallax {
    font-size: 200%;
}

/* centre the content in the parallax layers */
.title {
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}



/* style the groups
--------------------------------------------- */


#group2 {
    z-index: 3; /* slide under groups 1 and 3 */
}
#group2 .parallax__layer--back {
    background-image:url('http://2.bp.blogspot.com/_RBWp1IAT0ZI/TPeaOKFEcAI/AAAAAAAABBc/2BzJE6r0CgI/s1600/black%black%252Band%252Bwhite%252Baspen%252Bforest%252Bwall%252Bink_bluesky.png');
    background-position: center;
}

#group3 {
    z-index: 4; /* slide over group 2 and 4 */
}
#group3 .parallax__layer--base {
    background: rgb(153,216,101);
}

#group4 {
    z-index: 2;...

JavaScript

$(function() {
    $('a[href*=#]:not([href=#])').click(function() {
        var target = $(this).attr('href');
        $('.parallax').animate({
            scrollTop: $(target).offset().top + $('.parallax').scrollTop()
        }, 2500);
        return false;
    });
});

$(document).ready(function () {
    $(".navbar-nav li a").click(function(event) {
        $(".navbar-collapse").collapse('hide');
    });
});