
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
div 내 class 'wrap' 적용 시, 기존에 4개 보이던 이미지가 세로로 보이고 있습니다.
강의에서 보면 동일하게 가로로 4개가 표시되는데 왜 저는 세로로 보이는걸까요?

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{
background-color : green;
height : 250px;
width : 100%;
background-image : linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://movie-phinf.pstatic.net/20210715_95/1626338192428gTnJl_JPEG/movie_image.jpg');
background-position : center;
background-size : cover;
color : white;
display : flex;
flex-direction: column;
justify-content : center;
align-items : center;
}
.mytitle > button {
width : 200px;
height : 50px;
background-color : transparent;
color : white;
border-radius : 50px;
border : 1px solid white;
margin-top : 10px;
}
.mytitle > button:hover {
border : 3px solid white;
}
.mycomment{
color : gray;
}
.wrap{
width : 800px;
margin : 20px auto 0px auto;
}
</style>
</head>
<body>
<div class="mytitle">
<h1>내가 좋아하는 영화</h1>
<button>영화 기록하기</button>
</div>
<div class="row row-cols-1 row-cols-md-4 g-4">
<div class="wrap">
<div class="col">
<div class="card">
<img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">영화제목</h5>
<p class="card-text">영화 내용 blah~~ </p>
<p> ⭐⭐⭐ </p>
<p class="mycomment"> 영화 핵노잼 </p>
</div>
</div>
</div>
<div class="col">
<div class="card">
<img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">영화제목</h5>
<p class="card-text">영화 내용 blah~~ </p>
<p> ⭐⭐⭐ </p>
<p class="mycomment"> 영화 핵노잼 </p>
</div>
</div>
</div>
<div class="col">
<div class="card">
<img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">영화제목</h5>
<p class="card-text">영화 내용 blah~~ </p>
<p> ⭐⭐⭐ </p>
<p class="mycomment"> 영화 핵노잼 </p>
</div>
</div>
</div>
<div class="col">
<div class="card">
<img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">영화제목</h5>
<p class="card-text">영화 내용 blah~~ </p>
<p> ⭐⭐⭐ </p>
<p class="mycomment"> 영화 핵노잼 </p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
