顶部滑入反弹

代码运行

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>顶部滑入反弹</title>
<style>
.div {
	width:300px;
	height:200px;
	margin:100px auto;
	background:url(http://www.yunxi10.com/source/public/images/animate.png)
}
#animation {
-webkit-animation:bounceInDown 1s .2s ease both;
-moz-animation:bounceInDown 1s .2s ease both;
}
@-webkit-keyframes bounceInDown {
  from,
  60%,
  75%,
  90%,
  to {
    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }

0% {
    opacity: 0;
    -webkit-transform: translate3d(0, -3000px, 0) scaleY(3);
    transform: translate3d(0, -3000px, 0) scaleY(3);
  }

60% {
    opacity: 1;
    -webkit-transform: translate3d(0, 25px, 0) scaleY(0.9);
    transform: translate3d(0, 25px, 0) scaleY(0.9);
  }

75% {
    -webkit-transform: translate3d(0, -10px, 0) scaleY(0.95);
    transform: translate3d(0, -10px, 0) scaleY(0.95);
  }

90% {
    -webkit-transform: translate3d(0, 5px, 0) scaleY(0.985);
    transform: translate3d(0, 5px, 0) scaleY(0.985);
  }

to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@keyframes bounceInDown {
  from,
  60%,
  75%,
  90%,
  to {
    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }

0% {
    opacity: 0;
    -webkit-transform: translate3d(0, -3000px, 0) scaleY(3);
    transform: translate3d(0, -3000px, 0) scaleY(3);
  }

60% {
    opacity: 1;
    -webkit-transform: translate3d(0, 25px, 0) scaleY(0.9);
    transform: translate3d(0, 25px, 0) scaleY(0.9);
  }

75% {
    -webkit-transform: translate3d(0, -10px, 0) scaleY(0.95);
    transform: translate3d(0, -10px, 0) scaleY(0.95);
  }

90% {
    -webkit-transform: translate3d(0, 5px, 0) scaleY(0.985);
    transform: translate3d(0, 5px, 0) scaleY(0.985);
  }

to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
</style>
</head>
<body>
<div id="animation" class="div"></div>
</body>
</html>