Complete Example App Code

complete style sheet code for style.css

body {
margin: 0;
background-color: gray;
}

.screen {
background-color: rgba(255,255,255,.5);
box-sizing: border-box;
margin: 15px auto;
padding: 15px;
max-width: 700px;
width: calc(100vw - 30px);
height: calc(100vh - 30px);
}
h1, h4 {
text-align: center;
}
button {
background-color: rgba(255,255,255,.7);
border: none;
outline: none;
border-radius: 19px;
box-shadow: 3px 3px 7px black;
font-size: 24px;
display: block;
margin: 10px auto;
min-height: 70px;
width: 100%;
}
.highlight {
background-color: green;
color: white;
}
canvas {
min-width: 100vw;
min-height: 100vh;
position: absolute;
top: 0;
z-index: -1;
}

complete javascript code for script.js

//Runs once at the beginning
function setup() {
var googleSheetLink = "https://docs.google.com/spreadsheets/d/e/2PACX-1vRYCi4KENeZMlf9JbV8BhVrdOHse2250INSiRo7gEYWUYp3V0jiWFKWcnm1jzx5q1BMsmd9fOopk2Z_/pub?output=csv";
trivia.loadGoogleSheet(googleSheetLink).then(displayWelcome);
}
//Loops continously for background effects and animations. (p5.js)
function draw() {
if (trivia.state == "welcome") background("yellow");
else if (trivia.state == "question") background("lightblue");
else if (trivia.state == "correct") background("green");
else if (trivia.state == "incorrect") background("red");
else if (trivia.state == "thankyou") background("orange");
}
function displayWelcome() {
$(".screen").hide();
$("#welcome-screen").show();
}

function displayQuestion() {
$(".screen").hide();
$("#question-screen").show();
$("#correctAnswer").removeClass("highlight");
$("#feedback").hide();
trivia.insertQuestionInfo();
trivia.shuffleAnswers();
}

function displayThankyou() {
$(".screen").hide();
$("#thankyou-screen").show();
$("#game-results").html(`You got ${trivia.totalCorrect} of ${trivia.totalAnswered} correct.`);
}

function onClickedAnswer(isCorrect) {
if (isCorrect) $("#feedback").html(`Way to go!`).show();
else $("#feedback").html(`Better luck next time.`).show();
$("#correctAnswer").addClass("highlight"); //highlight right answer
setTimeout(trivia.gotoNextQuestion, 3000); //wait 3 secs...next question
}

function onClickedStart() {
displayQuestion();
}

complete html code for index.html

<!DOCTYPE html>
<html>

<head>
<title>iDEW Trivia</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="style.css">
</head>

<body>

<div class='screen' id='welcome-screen'>
<h1>Welcome to MY game!</h1>
<h4>You have questions waiting for you.</h4>
<button class="start-btn">Start</button>
</div>

<div class='screen' id='question-screen'>
<h4 id="category">Category Name</h4>
<h1 id="question">Question goes here?</h1>
<div id="answer-set">
<button class="answer-btn" id="correctAnswer">Correct Answer</button>
<button class="answer-btn" id="incorrectAnswer1">Wrong Answer</button>
<button class="answer-btn" id="incorrectAnswer2">Wrong Answer</button>
<button class="answer-btn" id="incorrectAnswer3">Wrong Answer</button>
</div>
<h1 id="feedback">Feedback will go here.</h1>
</div>

<div class='screen' id='thankyou-screen'>
<h1>Thanks for playing our game!</h1>
<h4 id='game-results'>Looks like you did pretty well.</h4>
<button class="start-btn">Restart</button>
</div>


<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/PapaParse/5.1.0/papaparse.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.6.1/p5.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.6.1/addons/p5.dom.min.js'></script>
<script src="https://cdn.jsdelivr.net/gh/idewcomputing/code-trivia/src/trivia.js"></script> 

<script src="script.js"></script>
</body>

</html>