最近研究CSS3的动画,还是相当的强大啊,做了一个小皮球跳跳的动画 DEMO,代码如下:

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< !doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>css3 animation</title>
<style>
.animation {
	-webkit-animation-name: bounce;
	-webkit-animation-duration: 1s;
	-webkit-animation-iteration-count: 10;
	-webkit-animation-direction: alternate;
	-webkit-border-radius:100px;
	position: relative;
	left: 0;
	top:100px;
	width:100px;
	height:100px;
	text-align:center;
	line-height:100px;
	background:#F00;
}
@-webkit-keyframes bounce {
	from {
		top: 0;
		-webkit-animation-timing-function: ease-out;
	}
	25% {
		top: 110px;
		-webkit-animation-timing-function: ease-out;
	}
	50% {
		top: 50px;
		-webkit-animation-timing-function: ease-out;
	}
	75% {
		top: 90px;
		-webkit-animation-timing-function: ease-out;
	}
	to {
		top: 100px;
	}
}
</style>
</head>
<body>
<div class="animation">皮球</div>
</body>
</html>


参考文档:
CSS Animation
Safari CSS Reference
CSS Animations Module Level 3
你需要知道的CSS3 动画技术
CSS3变换入门
CSS3 鼠标悬停动画

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