HTML
<!
DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script defer src="http://hyerin1201.script_0.js"></script>
<link rel="stylesheet" href="http://hyerin1201.style_0.css">
<title>Dom Tree</title>
</head>
<body>
<h1 id="title">My Profile</h1>
<div id="profile">
<img src="/iu.jpg" alt="아이유">
<div id="desc">
<p class="user clicked">이름 : <b>아이유</b></p>
<p class="user">주소 : 서울시</p>
<p class="user">연락처 : 010-1234-5678</p>
</div>
</div>
<button>Night Mode</button>
</body>
</html>
CSS
* {
margin: 0;
padding: 0;
}
body {
height: 100vh;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
h1 {
font-size: 2rem;
margin-bottom: 20px;
}
#profile {
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
border: 1px solid #ccc;
padding: 10px;
border-radius: 5%;
margin-bottom: 20px;
}
img {
width: 200px;
border-radius: 5%;
}
#desc {
margin: 10px 20px;
}
p {
font-size: 0.8rem;
line-height: 1.8;
}
.night {
background-color: rgb(43, 43, 43);
color: #fff;
}
button {
padding: 10px 15px;
border-radius: 20px;
border: 1px solid #fff;
background-color: rgb(198, 255, 255);
font-size: 16px;
font-weight: bold;
color: rgb(11, 132, 148);
cursor: pointer;
}
button:hover {
background-color: rgb(5, 156, 156);
color: #fff;
}
자바스크립트
const bg = document.querySelector("body")
const btn = document.querySelector("button");
btn.onclick = () => {
bg.classList.toggle("night");
if(!
bg.classList.contains("night")) {
btn.innerText = "Night Mode"
} else {
btn.innerText = "Day Mode"
}
}