CSS :nth-of-type()实例

编辑代码

<!DOCTYPE html>
<html>
<head>
<style> 
p:nth-of-type(2)
{
background:#ff0000;
}
</style>
</head>
<body>

<h1>This is a heading</h1>
<p>The first paragraph.</p>
<p>The second paragraph.</p>
<p>The third paragraph.</p>
<p>The fourth paragraph.</p>

</body>
</html>