

위 사진처럼 나와야 하는데
저는 아래 사진처럼 나와서 질문
어떤 부분이 문제인지 질문 드립니다.

작성한 코드 및 에러 메세지
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
@import url('https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Edu+AU+VIC+WA+NT+Guides:wght@400..700&family=Gowun+Batang:wght@400;700&display=swap');
* {
font-family: "Gowun Batang", serif;
}
.mytitle {
height: 250px;
color: white;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
background-image: url('https://images.unsplash.com/photo-1511992243105-2992b3fd0410?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80');
background-position: center;
background-size: cover;
}
.mytitle>button {
width: 150px;
height: 50px;
background-color: transparent;
color: white;
border: 1px solid white;
border-radius: 5px;
margin-top: 20px;
}
.mtcards {
width: 1200px;
margin: 20px auto 20px auto
}
</style>
</head>
<body>
<div class="mytitle">
<h1>나만의 추억 앨범</h1>
<button>추억 저장하기</button>
</div>
<div class="mycard">
<div class="row row-cols-1 row-cols-md-4 g-4">
<div class="col">
<div class="card h-100">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to
additional content. This content is a little bit longer.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">Last updated 3 mins ago</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This card has supporting text below as a natural lead-in to additional
content.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">Last updated 3 mins ago</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">This is a wider card with supporting text below as a natural lead-in to
additional content. This card has even longer content than the first to show that equal
height action.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">Last updated 3 mins ago</small>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
오류 발생 시, 작성한 코드 전체와 에러 메시지를 첨부해 주세요.
Tip 1) </> 아이콘을 눌러 코드박스를 만들어 보세요.
Tip 2) Ctrl+A(맥의 경우 Command+A) 단축키로 코드를 한 번에 선택할 수 있어요!
