在 HTML 文档中使用 class 属性

https://www.w3school.com.cn/tags/att_standard_class.asp

<html>
<head>
<style type="text/css">
h1.intro {color:blue;}
p.important {color:green;}
</style>
</head>

<body>
<h1 class="intro">Header 1</h1>
<p>A paragraph.</p>
<p class="important">Note that this is an important paragraph.</p>
</body>
</html>
posted @ 2023-03-28 17:27  yinghualeihenmei  阅读(67)  评论(0)    收藏  举报