菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
<style>
a:active
{
	background-color:yellow;
}
</style>
</head>
<body>

<a href="https://www.248k.com/">runoob.com</a>
<a href="https://www.wikipedia.org">wikipedia.org</a>

<p><b>注意:</b>  :active选择器样式触发时链接到链接页面</p>

</body>
</html>
              