html运行实例（css_link_advanced

代码示例：（标识：css_link_advanced_2）

<!DOCTYPE html>
<html>
<head>
<style>
a:link, a:visited {
  background-color: white;
  color: black;
  border: 2px solid green;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}

a:hover, a:active {
  background-color: green;
  color: white;
}
</style>
</head>
<body>

<a href="/index.php" target="_blank">这是一个链接</a>

</body>
</html>