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                <!DOCTYPE html>
<html lang="en">

    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="" integrity="sha512-1PKOgIY59xJ8Co8+NE6FZ+LOAZKjy+KY8iq0G4B3CyeY6wYHN3yt9PW0XpSriVlkMXe40PTKnXrLnZ9+fkDaog==" crossorigin="anonymous" />
    <link rel="stylesheet" href="styles.css" />
    <title>quiz app</title>

    <div class="quiz-container" id="quiz">
        <div class="quiz-header">
            <h2 id="question">Question is loading...</h2>
                <li> <input type="radio" name="answer" id="a" class="answer" /> <label for="a" id="a_text">Answer...</label> </li>
                <li> <input type="radio" name="answer" id="b" class="answer" /> <label for="b" id="b_text">Answer...</label> </li>
                <li> <input type="radio" name="answer" id="c" class="answer" /> <label for="c" id="c_text">Answer...</label> </li>
                <li> <input type="radio" name="answer" id="d" class="answer" /> <label for="d" id="d_text">Answer...</label> </li>
        </div> <button id="submit">Submit</button>
    <script src="app.js"></script>



                @import url(";400&display=swap");
* {
    box-sizing: border-box;

body {
    background-color: #b8c6db;
    background-image: linear-gradient(315deg, #b8c6db 0%, #f5f7fa 100%);
    font-family: "Poppins", sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;

.quiz-container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px 2px rgba(100, 100, 100, 0.1);
    width: 600px;
    max-width: 95vw;
    overflow: hidden;

.quiz-header {
    padding: 4rem;

h2 {
    padding: 1rem;
    text-align: center;
    margin: 0;

ul {
    list-style-type: none;
    padding: 0;

ul li {
    font-size: 1.2rem;
    margin: 1rem 0;

ul li label {
    cursor: pointer;

button {
    background-color: #8e44ad;
    color: #fff;
    border: none;
    display: block;
    width: 100%;
    cursor: pointer;
    font-size: 1.1rem;
    font-family: inherit;
    padding: 1.3rem;

button:hover {
    background-color: #732d91;

button:focus {
    outline: none;
    background-color: #5e3370;


                const quizData = [{
    question: "Which language runs in a web browser?",
    a: "Java",
    b: "C",
    c: "Python",
    d: "JavaScript",
    correct: "d",
}, {
    question: "What does CSS stand for?",
    a: "Central Style Sheets",
    b: "Cascading Style Sheets",
    c: "Cascading Simple Sheets",
    d: "Cars SUVs Sailboats",
    correct: "b",
}, {
    question: "What does HTML stand for?",
    a: "Hypertext Markup Language",
    b: "Hypertext Markdown Language",
    c: "Hyperloop Machine Language",
    d: "Helicopters Terminals Motorboats Lamborginis",
    correct: "a",
}, {
    question: "What year was JavaScript launched?",
    a: "1996",
    b: "1995",
    c: "1994",
    d: "none of the above",
    correct: "b",
}, ];
const quiz = document.getElementById("quiz");
const answerElements = document.querySelectorAll(".answer");
const questionElement = document.getElementById("question");
const a_text = document.getElementById("a_text");
const b_text = document.getElementById("b_text");
const c_text = document.getElementById("c_text");
const d_text = document.getElementById("d_text");
const submitButton = document.getElementById("submit");
let currentQuiz = 0;
let score = 0;
const deselectAnswers = () => {
    answerElements.forEach((answer) => (answer.checked = false));
const getSelected = () => {
    let answer;
    answerElements.forEach((answerElement) => {
        if (answerElement.checked) answer =;
    return answer;
const loadQuiz = () => {
    const currentQuizData = quizData[currentQuiz];
    questionElement.innerText = currentQuizData.question;
    a_text.innerText = currentQuizData.a;
    b_text.innerText = currentQuizData.b;
    c_text.innerText = currentQuizData.c;
    d_text.innerText = currentQuizData.d;
submitButton.addEventListener("click", () => {
    const answer = getSelected();
    if (answer) {
        if (answer === quizData[currentQuiz].correct) score++;
        if (currentQuiz < quizData.length) loadQuiz();
        else {
            quiz.innerHTML = ` <h2>You answered ${score}/${quizData.length} questions correctly</h2> 
                <button onclick="history.go(0)">Play Again</button> `
                // location.reload() won't work in CodePen for security reasons; } } });