在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(cainiaoplay.com)</title>
<style>div
{
	appearance:button;
	-moz-appearance:button; /* Firefox */
	-webkit-appearance:button; /* Safari and Chrome */
}
</style>
</head>
<body>

<p><b>注意:</b> Internet Explorer 和 Opera 不支持 appearance 属性.</p>

<div>Some text</div>

</body>
</html>

源代码

动行结果