<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
html, body, div {
margin: 0;
padding: 0;
}
/*表示獲取內(nèi)容的第一行*/
#box:first-line {
color: aqua;
}
/*表示獲取內(nèi)容的第一個(gè)字*/
#box:first-letter{
font-size: 500px;
}
</style>
</head>
<body>
<div id="box">
mother fuck
mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother
fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck mother fuck
</div>
</body>
</html>
