Quiz

<div class="quiz__wrap">
    <div class="quiz">
        <h2 class="quiz__type"></h2>
        <h3 class="quiz__question">
            <span class="quiz__number"></span>
            <span class="quiz__ask"></span>
        </h3>
        <div class="quiz__view">
            <div class="dog">
                <div class="dog">
                    <div class="head">
                        <div class="ears"></div>
                        <div class="face"></div>
                        <div class="eyes">
                            <div class="teardrop"></div>
                        </div>
                        <div class="nose"></div>
                        <div class="mouth">
                            <div class="tongue"></div>
                        </div>
                        <div class="chin"></div>
                    </div>
                    <div class="body">
                        <div class="tail"></div>
                        <div class="legs"></div>
                    </div>
                </div>
            </div>
        </div>
        <div class="quiz__answer">
            <button class="quiz__confirm">정답 확인하기</button>
            <div class="quiz__result"></div>
        </div>
    </div>
</div>

.quiz__wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 150px;
}
.quiz {
    max-width: 500px;
    width: 100%;
    background: #fff;
    border: 8px ridge #cacaca;
    margin: 10px;
}
.quiz__type {
    background: #cacaca;
    text-align: center;
    font-size: 14px;
    color: #3b3b3b;
    border: 3px ridge #cacaca;
    padding: 3px 0;
    position: relative;
}
.quiz__type::before {
    content: '';
    position: absolute;
    left: 2px; top: 4px;
    width: 5px;
    height: 5px;
    border: 6px ridge #ffffff;
}
.quiz__type::after {
    content: '';
    position: absolute;
    right: 2px; top: 4px;
    width: 5px;
    height: 5px;
    border: 6px ridge #ffffff;
}
.quiz__question {
    border-top: 6px ridge #cacaca;
    border-bottom: 6px ridge #cacaca;
    padding: 13px 30px;
    font-size: 24px;
    line-height: 1.4;
}
.quiz__number {
    font-family: 'Cafe24Dangdanghae';
    color: #64a30b;
}
.quiz__ask {
    font-family: 'Cafe24Dangdanghae';
}
.quiz__view {
    background: #f5f5f5;
}
.quiz__answer {
    border-top: 6px ridge #cacaca;
    background: #f5f5f5;
    padding: 10px;
}
.quiz__confirm {
    border: 6px ridge #ffffff;
    width: 100%;
    font-size: 22px;
    padding: 13px 20px;
    background: #d6d6d6;
    font-family: 'Cafe24Dangdanghae';
    text-shadow: 1px 1px 1px #fff;
    transition: all 0.3s;
    cursor: pointer;
}
.quiz__confirm:hover {
    background: #b3b3b3;
}
.quiz__result {
    border: 6px ridge #ffffff;
    width: 100%;
    font-size: 22px;
    padding: 13px 20px;
    background: #fff;
    text-align: center;
    font-family: 'Cafe24Dangdanghae';
    text-shadow: 1px 1px 1px #fff;
    display: none;
}
.source-btn {
    font-family: 'Cafe24Dangdanghae';
    position: absolute;
    right: 47%; bottom: 100px;
    font-size: 16px;
    padding: 10px 30px;
    border-radius: 50px;
    transition: all 0.2s;
    cursor: pointer;
}
.source-btn:hover {
    background: #000;
    color: #fff;
}

const quizType = document.querySelector(".quiz__type");         
const quizNumber = document.querySelector(".quiz__number");     
const quizAsk = document.querySelector(".quiz__ask");           
const quizConfirm = document.querySelector(".quiz__confirm");   
const quizResult = document.querySelector(".quiz__result");     
const quizDog = document.querySelector(".quiz__view .dog")     

const answerType = "HTML";
const answerNum = 1;
const answerAsk = "컨텐츠의 구조를 정의하는 마크업 언어는 무엇일까요?";
const answerResult = "html"

quizType.textContent = answerType;
quizNumber.textContent = answerNum + ". ";
quizAsk.textContent = answerAsk;
quizResult.textContent = answerResult;

quizConfirm.addEventListener("click", ()=>{
    quizConfirm.style.display = "none"
    quizResult.style.display= "block"
    quizDog.classList.add("like");
})