<html lang="ko">
<head>
<meta charset="utf-8">
<title>CSS</title>
<body>
<h1 class="first">hi</h1>
<h1 class="second">hi</h1>
</body>
</html>
.first::first-line{
color:red;
}
.second::first-letter{
color:red;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.