CSS3动画
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS3动画</title>
<style>
#animated_div
{
width:76px;
height:47px;
background:#92B901;
color:#ffffff;
position:relative;
font-weight:bold;
font-size:20px;
padding:10px;
animation:animated_div 5s 1;/* @keyframes（关键帧动画），动画名称，开始到结束时间，重复几次 */
-moz-animation:animated_div 5s 1;
-webkit-animation:animated_div 5s 1;
-o-animation:animated_div 5s 1;
border-radius:5px;
-webkit-border-radius:5px;
}
@keyframes animated_div
{
0% {transform: rotate(0deg);left:0px;}
25% {transform: rotate(20deg);left:0px;}
50% {transform: rotate(0deg);left:500px;}
55% {transform: rotate(0deg);left:500px;}
70% {transform: rotate(0deg);left:500px;background:#1ec7e6;}
100% {transform: rotate(-360deg);left:0px;}
}
/* Safari and Chrome */
@-webkit-keyframes animated_div
{
0% {-webkit-transform: rotate(0deg);left:0px;}
25% {-webkit-transform: rotate(20deg);left:0px;}
50% {-webkit-transform: rotate(0deg);left:500px;}
55% {-webkit-transform: rotate(0deg);left:500px;}
70% {-webkit-transform: rotate(0deg);left:500px;background:#1ec7e6;}
100% {-webkit-transform: rotate(-360deg);left:0px;}
}
/* Firfox */
@-moz-keyframes animated_div
{
0% {-moz-transform: rotate(0deg);left:0px;}
25% {-moz-transform: rotate(20deg);left:0px;}
50% {-moz-transform: rotate(0deg);left:500px;}
55% {-moz-transform: rotate(0deg);left:500px;}
70% {-moz-transform: rotate(0deg);left:500px;background:#1ec7e6;}
100% {-moz-transform: rotate(-360deg);left:0px;}
}
/* Opera */
@-o-keyframes animated_div
{
0% {transform: rotate(0deg);left:0px;}
25% {transform: rotate(20deg);left:0px;}
50% {transform: rotate(0deg);left:500px;}
55% {transform: rotate(0deg);left:500px;}
70% {transform: rotate(0deg);left:500px;background:#1ec7e6;}
100% {transform: rotate(-360deg);left:0px;}
}
</style>
<h2>CSS3 动画</h2>
<hr>
<div id="animated_div">CSS3<br><span style="font-size:10px">动画</span>
</div>
</body>
</html>
简略写法和完整写法
-webkit-animation:myfirst 5s linear 2s infinite alternate;
-webkit-animation-name:myfirst;
-webkit-animation-duration:5s;
-webkit-animation-timing-function:linear;
-webkit-animation-duration:2s;
-webkit-animation-iteration-count:infinite;
-webkit-animation-direction:alternate;