JSFiddle - React, Tailwind, and code Playground

HTML

<body>
		<div class="container">

			<div class="cbp-af-header target">
				<div class="cbp-af-inner">
					<h1 class="hidden-phone">Local Foods</h1>
					<h1 style="font-size: 2em; line-height: 40px;" class="visible-phone">Local Foods</h1>
					<nav class="hidden-phone">
						<a href="#">Home</a>
						<a href="#">About</a>
						<a href="#">Food</a>
						<a href="#">Location</a>
					</nav>
					<nav class="visible-phone phone" style="line-height: 40px;">
						<a href="#">Home</a>
						<a href="#">About</a>
						<a href="#">Location</a>
					</nav>
				</div>
			</div>

			<!--<header class="clearfix">
				<span>Blueprint <span class="bp-icon bp-icon-about" data-content="The Blueprints are a collection of basic and minimal website concepts, components, plugins and layouts with minimal style for easy adaption and usage, or simply for inspiration."></span></span>
				<h1>On-Scroll Animated Header</h1>
				<nav>
					<a href="http://tympanus.net/Blueprints/ResponsiveMultiColumnForm" class="bp-icon bp-icon-prev" data-info="previous Blueprint"><span>Previous Blueprint</span></a>
					a href="" class="bp-icon bp-icon-next" data-info="next Blueprint"><span>Next Blueprint</span></a
					<a href="http://tympanus.net/codrops/?p=15321" class="bp-icon bp-icon-drop" data-info="back to the Codrops article"><span>back to the Codrops article</span></a>
					<a href="http://tympanus.net/codrops/category/blueprints/" class="bp-icon bp-icon-archive" data-info="Blueprints archive"><span>Go to the archive</span></a>
				</nav>
			</header>-->	
			<div class="main">
				<div class="content" style="padding-top: 100px; height: 100%;">
					Main content
				</div>
			</div>
			<div...

CSS

.cbp-af-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background-image: url(../img/blur.png);
	z-index: 10000;
	/*height: 230px;*/
	height: 150px;
	overflow: hidden;
	-webkit-transition: height 0.3s;
	-moz-transition: height 0.3s;
	transition: height 0.3s;
}

.cbp-af-header .cbp-af-inner {
	width: 90%;
	max-width: 69em;
	margin: 0 auto;
	padding: 0 1.875em;
}

.cbp-af-header h1,
.cbp-af-header nav {
	display: inline-block;
	position: relative;
}

 /* We just have one-lined elements, so we'll center the elements with the line-height set to the height of the header */
.cbp-af-header h1,
.cbp-af-header nav a {
	/*line-height: 230px;*/
	line-height: 150px;
}

.cbp-af-header h1 {
	text-transform: uppercase;
	color: #333;
	letter-spacing: 4px;
	font-size: 4em;
	margin: 0;
	float: left;
}

.cbp-af-header nav {
	float: right;
}

.cbp-af-header nav a {
	/*color: #aaa;*/
	color: #333;
	font-weight: 700;
	margin: 0 0 0 20px;
	font-size: 1.4em;
}

.cbp-af-header nav a:hover {
	color: #636363;
}

/* Transitions and class for reduced height */
.cbp-af-header h1,
.cbp-af-header nav a {
	-webkit-transition: all 0.3s;
	-moz-transition: all 0.3s;
	transition: all 0.3s;
}

.cbp-af-header.cbp-af-header-shrink {
	height: 90px;
}

.cbp-af-header.cbp-af-header-shrink h1,
.cbp-af-header.cbp-af-header-shrink nav a {
	line-height: 90px;
}

.cbp-af-header.cbp-af-header-shrink nav.phone a {
	line-height: 50px;
	margin-top: -54px;
}

.cbp-af-header.cbp-af-header nav.phone a {
	line-height: 30px;
	margin-top: -54px;
}


.cbp-af-header.cbp-af-header-shrink h1 {
	font-size: 2em;
}

/* Example Media Queries */
@media screen and (max-width: 55em) {
	
	.cbp-af-header .cbp-af-inner {
		width: 100%;
	}

	.cbp-af-header h1,
	.cbp-af-header nav {
		display: block;
		margin: 0 auto;
		text-align: center;
		float: none;
	}

	.cbp-af-header h1,
	.cbp-af-header nav a {
		line-height: 115px;
	}

	.cbp-af-header nav a {
		margin: 0 10px;
	}

	.cbp-af-header.cbp-af-header-shrink...

JavaScript

/**
 * cbpAnimatedHeader.js v1.0.0
 * http://www.codrops.com
 *
 * Licensed under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Copyright 2013, Codrops
 * http://www.codrops.com
 */
var cbpAnimatedHeader = (function() {

	var docElem = document.documentElement,
		header = document.querySelector( '.cbp-af-header' ),
		didScroll = false,
		changeHeaderOn = 300;

	function init() {
		window.addEventListener( 'scroll', function( event ) {
			if( !didScroll ) {
				didScroll = true;
				setTimeout( scrollPage, 250 );
			}
		}, false );
	}

	function scrollPage() {
		var sy = scrollY();
		if ( sy >= changeHeaderOn ) {
			classie.add( header, 'cbp-af-header-shrink' );
		}
		else {
			classie.remove( header, 'cbp-af-header-shrink' );
		}
		didScroll = false;
	}

	function scrollY() {
		return window.pageYOffset || docElem.scrollTop;
	}

	init();

})();

/**
 * cbpAnimatedHeader.min.js v1.0.0
 * http://www.codrops.com
 *
 * Licensed under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * Copyright 2013, Codrops
 * http://www.codrops.com
 */
var cbpAnimatedHeader=(function(){var b=document.documentElement,g=document.querySelector(".cbp-af-header"),e=false,a=300;function f(){window.addEventListener("scroll",function(h){if(!e){e=true;setTimeout(d,250)}},false)}function d(){var h=c();if(h>=a){classie.add(g,"cbp-af-header-shrink")}else{classie.remove(g,"cbp-af-header-shrink")}e=false}function c(){return window.pageYOffset||b.scrollTop}f()})();

/* Modernizr 2.6.2 (Custom Build) | MIT & BSD
 * Build: http://modernizr.com/download/#-generatedcontent-touch-shiv-cssclasses-teststyles-prefixes-load
 */
;window.Modernizr=function(a,b,c){function x(a){j.cssText=a}function y(a,b){return x(n.join(a+";")+(b||""))}function z(a,b){return typeof a===b}function A(a,b){return!!~(""+a).indexOf(b)}function B(a,b,d){for(var e in a){var f=b[a[e]];if(f!==c)return d===!1?a[e]:z(f,"function")?f.bind(d||b):f}return!1}var...