​x
 
<!DOCTYPE html>
<html>
<head>
<style> 
div {
  width: 100px;
  height: 100px;
  background: red;
  transition: width 2s, height 2s, transform 2s;
}
​
div:hover {
  width: 300px;
  height: 300px;
  transform: rotate(180deg);
}
</style>
</head>
<body>
​
<h1>Transition + Transform</h1>
​
<p>请把鼠标悬停在下面的 div 元素上：</p>
​
<div></div>
​
<p><b>注释：</b>本例在 Internet Explorer 9 和更早版本中不起作用。</p>
​
</body>
</html>
​