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-content: center;
        justify-content: center;
        flex-wrap: wrap;
        /*df, acc, jcc백가라운드 가운데 오는 방법*/
        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: 2px;
        width: 5px;
        height: 5px;
        border: 6px ridge #8f8f8f;
    }
    
    .quiz__type::after {
        content: '';
        position: absolute;
        right: 2px;
        top: 2px;
        width: 5px;
        height: 5px;
        border: 6px ridge #8f8f8f;
    }
    
    .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__answer {
        background: #f5f5f5;
        /* height: 300px; */
    }
    
    .quiz__answer {
        background: #f5f5f5;
        border-top: 6px ridge #cacaca;
        padding: 10px;
    }
    
    .quiz__confirm {
        border: 6px ridge #cacaca;
        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 {
        text-align: center;
        border: 6px ridge #cacaca;
        width: 100%;
        font-size: 22px;
        padding: 13px 20px;
        background: #d6d6d6;
        font-family: 'Cafe24Dangdanghae';
        text-shadow: 1px 1px 1px #fff;
        display: none;
        background: #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");
    });
    const source = function() {