css animation perspective-origin 实例 - 自学教程(runoops.com)

<!DOCTYPE html>
<html>

<head>
	<meta charset="utf-8">
	<title>css animation perspective-origin 实例 - 自学教程(runoops.com)</title>
	<style>
		#div1 {
			position: relative;
			margin: auto;
			height: 150px;
			width: 250px;
			padding: 10px;
			border: 1px solid black;
			/* Chrome, Safari, Opera */
			-webkit-perspective: 125px;
			-webkit-animation: mymove 5s infinite;
			/* Standard syntax */
			perspective: 125px;
			animation: mymove 5s infinite;
		}

/* Chrome, Safari, Opera */
		@-webkit-keyframes mymove {
			50% {
				-webkit-perspective-origin: 10px 50%;
			}
		}

/* Standard syntax */
		@keyframes mymove {
			50% {
				perspective-origin: 10px 50%;
			}
		}

#div2 {
			padding: 50px;
			position: absolute;
			border: 1px solid black;
			background-color: coral;
			-webkit-transform: rotateX(45deg);
			/* Chrome, Safari, Opera */
			transform: rotateX(45deg);
		}
	</style>
</head>

<body>

<p>perspective-origin 属性支持动画效果。</p>
	<p><b>注意：</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 动画。</p>

<div id="div1">DIV1
		<div id="div2">Think that you are looking down on a wall. See what happens when you gradually change the
			perspective!</div>
	</div>

</body>

</html>