영상
개념
<!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">
<title>Document</title>
<style>
h1 {
background-color: yellow;
border: 2px solid red;
}
</style>
</head>
<body>
<h1>This is a heading.</h1>
</body>
</html>
HTML
복사