<html>
<head>
<style>
[title]
{
color:blue;
}
</style>
</head>
<body>
<h2>Will apply to:</h2>
<h1 title="Hello world">Hello world</h1>
<a title="ziqiangxuetang" href="http://ziqiangxuetang.com">ziqiangxuetang</a>
<hr>
<h2>Will not apply to:</h2>
<p>Hello!</p>
</body>
</html>