JSFiddle - React, Tailwind, and code Playground

HTML

<body>
	<div id="layer">
		<h1></h1>
		<div id="trans">
			<p class="questions"><span class="q">Question goes here</span></p>
			<ul id="center" class="innerBox">
				<li><button class="buttons ans">A. <span class="a"></span></li>
				<li><button class="buttons ans">B. <span class="b"></span></li>
				<li><button class="buttons ans">C. <span class="c"></span></li>
				<li><button class="buttons ans">D. <span class="d"></span></li>
			</ul>
			<div id="submit">
				<button class="buttons prev">Prev</button>
				<button class="buttons next">Next</button>
			</div>
		</div>	
	</div>
</body>

CSS

/* #999967 #666666 #cccccc #cccc9a */
 html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: black;
}
#layer {
    width: 812px;
    height: 100%;
    padding: 5px;
    margin: auto;
    background: url(http://images.wikia.com/battlefield/images/0/0e/BFBC2V_Clean_Background_1080P.png);
}
#trans {
    width: 80%;
    height: 400px;
    margin: auto;
    background: rgba(37, 43, 48, 0.5);
    border: 1px solid gray;
    border-radius: 20px;
    -moz-border-radius: 20px;
    -webkit-border-radius: 20px;
    box-shadow:2px 2px 4px 0 #666666;
    -moz-box-shadow: 2px 2px 4px 0 #666666;
    -webkit-box-shadow: 2px 2px 4px 0 #666666;
}
#center {
    margin: auto;
}
h1 {
    padding: 10px;
    font-family: KlavikaWeb, Helvetica, sans-serif;
    text-align: center;
    color: #444444;
}
.questions {
    padding: 5px;
    text-align: center;
    font-family: KlavikaWeb, Helvetica, sans-serif;
    font-size: 24px;
    font-weight: bold;
    color: #0003366;
}
.innerBox {
    position: relative;
    vertical-align: baseline;
    height: 250px;
    width: 500px;
    list-style-type: none;
    font-size: 20px;
    font-family: KlavikaWeb, Helvetica, sans-serif;
    border: 1px solid #cccccc;
}
.ans {
    width: 460px;
    height: 54px;
    padding: 5px;
    font-size: 1em;
    font-weight: bold;
    margin-top: 7px;
    text-align: left;
    background: rgba(255, 255, 255, 0);
    border: none

}
.buttons {
    display: inline-block;
    font-family: KlavikaWeb, Helvetica, sans-serif;
    white-space: nowrap;
    text-decoration: none;
}
#submit {
    text-align: right;
    padding-right: 52px;
    padding-top: 17px;
}
.next {
    width: 70px;
    height: 30px;
    font-size: 18px;
    color: #cccccc;
    text-align: center;
    background-color: #666666;

}

.prev {
    display: none;
    width: 70px;
    height: 30px;
    font-size: 18px;
    color: #cccccc;
    text-align: center;
    background-color: #666666;
    border-radius: 1px;
   ...

JavaScript

var allQuestions = [{question: "How many championships have the Lakers won?",
					choices: ["15", "16", "17", "18"],
					correctAnswer: 1},
					{question: "Which player's number did the Lakers not retire?",
					choices: ["James Worthy", "Gail Goodrich", "Jerry West", "Vlade Divac"],
					correctAnswer: 3},
					{question: "Which player is known as \"Arisotle\"?",
					choices: ["Kobe Bryant", "Magic Johnson", "Shaquille O'Neil", "Wilt Chamberlain"],
					correctAnswer: 2},
					{question: "How many Division Titles have the Lakers won?",
					choices: ["28", "30", "32", "34"],
					correctAnswer: 2},
					{question: "How many Championships has Kobe Bryant won?",
					choices: ["four", "five", "six", "seven"],
					correctAnswer: 1},
					{question: "What year was Magic Johnson born?",
					choices: ["1952", "1956", "1958", "1959"],
					correctAnswer: 3},
					{question: "What NBA team also plays at the Staples Center?",
					choices: ["The Kings", "Golden State Warriors", "The Clippers", "The Dodgers"],
					correctAnswer: 2},
					{question: "What are the team colors of the LA Lakers?",
					choices: ["Black and Gold", "Purple and Gold", "Purple and Blue", "Blue and Gold"],
					correctAnswer: 1},
					{question: "Where did LA Laker Jerry West attend college?",
					choices: ["UCLA", "West Virgnia", "North Carolina", "Stanford"],
					correctAnswer: 1},
					{question: "How many Championships did they win in the 80's?",
					choices: ["Three", "Two", "Four", "Five"],
					correctAnswer: 3}];


var answers = [];
var c = 0;

$(document).ready(function() {
	// add a pointer to the cursor on all buttons
	$(".next").on("mouseenter", function() {
		$(this).css('cursor', 'pointer');
	});
	$(".prev").on("mouseenter", function() {
		$(this).css('cursor', 'pointer');
	});
	
	// allows for highlighting a button similar to :hover
	$(".ans").on("mouseenter", function() {
		$(this).addClass("highlight");
		$(this).css('cursor', 'pointer');
	});
	$(".ans").on("mouseleave",...