JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<nav>
	<div id="nav-logo">
	</div>
	<div id="mobile-button"><img src="" class="hidden" alt=""></div>
	<div id="nav-pop">
	<div id="nav-pop-close"></div>
		<ul id="nav-list">
			<li><a href="http://localhost:8080/about.php">ABOUT</a></li>
			<li id="serviceClick">SOLUTIONS</li>
			<div id="serviceNav">
				<div id="serviceNavInner">
					<div id="serviceNavBlock1" class="iblock">
							<a href="http://localhost:8080/solutions.php"><button class="buttonInv2" id="solOverviewB">Solutions Overview</button></a>
					</div><div id="serviceNavBlock2" class="iblock">
					</div>
				</div>
			</div>
			<li><a href="http://localhost:8080/learn.php">LEARN</a></li>
			<li><a href="http://localhost:8080/contact.php">CONTACT</a></li>
			<li><a href="http://localhost:8080/quote.php" class="navInverse" id="quoteButton">REQUEST QUOTE</a></li>
		</ul>
	</div>
</nav>

CSS

nav {
	background: #FFF;
	height: 70px;
	width: 100%;
	max-width: 100%;
	box-shadow: 0px 6px 15px -4px rgba(0,0,0,0.12);
	position: fixed;
	top: 0;
	z-index: 999;
	box-sizing: border-box;
}
#nav-logo {
	float: left;
	height: 100%;
	width: auto;
	display: block;
	position: relative;
	margin-left: 5%;
}
#nav-logo img {
	height: 80%;
	width: auto;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);-webkit-transform: translateY(-50%);
}
#mobile-button {
	background-image: url("https://s3.us-east-2.amazonaws.com/mbkitsystems/menu.svg");
    background-size: 30px 30px;
	float: right;
	width: 30px;
	height: 30px;
	margin-right: 5%;
	margin-top: 15px;
	cursor: pointer;
	display: none;
	transition: ease 0.3s;-webkit-transition: ease 0.3s;
}
#mobile-button:hover {
	transition: ease 0.3s;-webkit-transition: ease 0.3s;
}
#nav-pop {
	float: right;
	display: block;
	margin-right: 5%;
	margin-top: 25px;
	transition: ease 0.5s;-webkit-transition: ease 0.5s;
}
#nav-pop.active {
	opacity: 1;
	background: rgba(0,0,0,0.8);
	background: #2f2f2f;
	right: 0;
	margin-top: 0;
	margin-right: 0;
	z-index: 999999;
	transition: ease 0.6s;-webkit-transition: ease 0.6s;
	transform: translateX(0);-webkit-transform: translateX(0);
	box-shadow: -9px 0px 9px 1px rgba(0,0,0,.2);
}
#nav-list li {
	display: inline-block;
	margin: 0 17px;
	vertical-align: top;
}
#nav-list li:first-child {
	margin-left: 0px;
}
#nav-list li:last-child {
	margin-right: 0px;
}
#nav-list li a, #serviceClick {
	text-decoration: none;
	font-family: 'Muli', sans-serif;
	font-size: .9rem;
	color: #747678;
	letter-spacing: 1px;
	vertical-align: top;
	transition: all .3s;-webkit-transition: all .3s;
	cursor: pointer;
}
#nav-list li a:after, #serviceClick:after {
	content: '';
    display: block;
	width: 0;
	margin-top: 6px;
	background: #b82222;
	height: 2px;
	transition: width .3s;
}
#nav-list li a:hover, #serviceClick:hover {
	color: #4b4b4b;
	transition: all .3s;-webkit-transition: all .3s;
}
#nav-list li...

JavaScript

$('#serviceClick').click( function () {
		var relative = $(this);
		if (!relative.hasClass('activeSol')) {
			$('#serviceNav').removeClass('activeSol');
			$('#serviceNav').addClass('activeSol').slideDown();
		} else  {
			$('#serviceNav').removeClass('activeSol').slideUp(500);
		}
		return false;
	});
	$('[data-pop-close]').on('click', function(e)  {
		//var targeted_pop = $(this).attr('data-pop-close');
		$('#serviceNav').removeClass('activeSol');
		$('body').css('overflow', 'auto');
		e.preventDefault();
	});
  $('#mobile-button').on('click', function () {
		$('#nav-pop').addClass('active');
		$('html').addClass('is-navOpen');
	});
  //X-icon close
	$('#nav-pop-close').on('click', function() {
		$('#nav-pop').removeClass('active');
		$('html').removeClass('is-navOpen');
	});