* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
alt + b 를 눌렀을 때 갑자기 창이 뜨지 않습니다..
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">
<title>나만의 추억앨범</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<style>
@import url('https://fonts.googleapis.com/css2?family=Gamja+Flower&display=swap');
* {
font-family: 'Gamja Flower', sans-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: 50px;
}
.mycards {
width: 1200px;
margin: 30px auto 0px auto;
}
</style>
</head>
<body>
<div class="mytitle">
<h1>나만의 추억앨범</h1>
<BUTTON> 추억 저장하기</BUTTON>
</div>
<div class="mypostingbox">
<div class="form-floating mb-3">
<input type="email" class="form-control" id="floatingInput" placeholder="앨범 이미지">
<label for="floatingInput">앨범 이미지</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="floatingInput" placeholder="앨범 이미지">
<label for="floatingInput">앨범 제목</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="floatingInput" placeholder="앨범 이미지">
<label for="floatingInput">앨범 내용</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="floatingInput" placeholder="앨범 이미지">
<label for="floatingInput">앨범 날짜</label>
</div>
<div class = "mybtn">
<button type="button" class="btn btn-dark">기록하기</button>
<button type="button" class="btn btn-outline-dark">닫기</button>
</div>
</div>
<div class="mycards">
<div class="row row-cols-1 row-cols-md-4 g-4">
<div class="col">
<div class="card h-100">
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">카드 제목</h5>
<p class="card-text"> 카드 내용.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">카드 제목</h5>
<p class="card-text"> 카드 내용.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">카드 제목</h5>
<p class="card-text"> 카드 내용.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">카드 제목</h5>
<p class="card-text"> 카드 내용.</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
</div>
</div>
