:first-of-type选择器匹配元素其父级是特定类型的第一个子元素。

p:first-of-type
{
background:#ff0000;
}

HTML

<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>

CSS

b:first-of-type
{
	background:#ff0000;
}

执行结果

相关页面

• :last-of-type
• :only-of-type

外部链接