垂直向内轻弹

代码运行

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>垂直向内轻弹</title>
<style>
.div {
	width:300px;
	height:200px;
	margin:100px auto;
	background:url(http://www.yunxi10.com/source/public/images/animate.png)
}
#animation {
-webkit-animation:flipInY 1s .2s ease both;
-moz-animation:flipInY 1s .2s ease both;
}
@-webkit-keyframes flipInY {
  from {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, 90deg);
    transform: perspective(400px) rotate3d(0, 1, 0, 90deg);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
    opacity: 0;
  }

40% {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, -20deg);
    transform: perspective(400px) rotate3d(0, 1, 0, -20deg);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }

60% {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, 10deg);
    transform: perspective(400px) rotate3d(0, 1, 0, 10deg);
    opacity: 1;
  }

80% {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, -5deg);
    transform: perspective(400px) rotate3d(0, 1, 0, -5deg);
  }

to {
    -webkit-transform: perspective(400px);
    transform: perspective(400px);
  }
}
@keyframes flipInY {
  from {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, 90deg);
    transform: perspective(400px) rotate3d(0, 1, 0, 90deg);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
    opacity: 0;
  }

60% {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, 10deg);
    transform: perspective(400px) rotate3d(0, 1, 0, 10deg);
    opacity: 1;
  }

80% {
    -webkit-transform: perspective(400px) rotate3d(0, 1, 0, -5deg);
    transform: perspective(400px) rotate3d(0, 1, 0, -5deg);
  }

to {
    -webkit-transform: perspective(400px);
    transform: perspective(400px);
  }
}
</style>
</head>
<body>
<div id="animation" class="div"></div>
</body>
</html>