
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
안녕하세요, 제가 팬명록 만들기 숙제를 했는데요, 궁금한 점이 몇가지 있어서 문의를 드리려고 합니다.
감사합니다.

작성한 코드 및 에러 메세지
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
crossorigin="anonymous"></script>
<title>스파르타코딩클럽 | 부트스트랩 연습하기</title>
<link href="https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap" rel="stylesheet">
<style>
* {
font-family: 'Gowun Dodum', sans-serif;
}
.mytitle {
width: 100%;
height: 300px;
background-image: url("https://image.ytn.co.kr/general/jpg/2022/0329/202203291725190802_d.jpg");
background-position: center 27%;
background-size: cover;
color: white;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
.mypost {
max-width: 500px;
width: 95%;
margin: 20px auto 0px auto;
box-shadow: 0px 0px 3px 0px gray;
padding: 20px;
}
.form-floating {
margin-bottom: 10px;
}
.mybtn {
margin-top: 10px;
}
.card-wrap {
max-width: 500px;
width: 95%;
margin: 20px auto 0px auto;
}
.card {
margin-bottom: 10px;
padding: 10px;
}
</style>
</head>
<body>
<div class="mytitle">
<h1>오마이걸 팬명록</h1>
</div>
<div class="mypost">
<div class="form-floating">
<textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea"></textarea>
<label for="floatingTextarea">닉네임</label>
</div>
<div class="form-floating">
<textarea class="form-control" placeholder="Leave a comment here" id="floatingTextarea2"
style="height: 100px"></textarea>
<label for="floatingTextarea2">응원댓글</label>
</div>
<div class="mybtn">
<button type="button" class="btn btn-dark">응원 남기기</button>
</div>
</div>
<div class="card-wrap">
<div class="card">
<blockquote class="blockquote mb-0">
<p>시켜줘 아린이 명예소방관</p>
<footer class="blockquote-footer">119</footer>
</blockquote>
</div>
<div class="card">
<blockquote class="blockquote mb-0">
<p>승희는 베를린이야. 나에게 치명적인 독일 수도</p>
<footer class="blockquote-footer">베를린 장벽</footer>
</blockquote>
</div>
<div class="card">
<blockquote class="blockquote mb-0">
<p>우리 지호 못 잃어</p>
<footer class="blockquote-footer">미라클</footer>
</blockquote>
</div>
</div>
</body>
</html>
