App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<style>
#myDIV {
height: 200px;
background-color: lightblue;
border: 1px solid black;
-webkit-animation: mymove 5s infinite; /* Chrome, Safari, Opera */
animation: mymove 5s infinite;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
50% {margin-top: 50px;}
}
/* Standard syntax */
@keyframes mymove {
50% {margin-top: 50px;}
}
</style>
</head>
<body>
<p> margin-top, 0px 50px :<p>
<div id="myDIV">
This is my DIV element.
</div>
<p>margin-top </p>
<p><b></b>Internet Explorer 9 IE CSS </p>
</body>
</html>
 
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运行结果