<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>时代Java与您共同学习(NowJava.com)</title>
<style>
#myDIV {
width: 500px;
background-color: lightblue;
overflow: auto;
border: 1px solid black;
-webkit-animation: mymove 5s infinite; /* Chrome, Safari, Opera */
animation: mymove 5s infinite;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
50% {min-height: 400px;}
}
/* Standard syntax */
@keyframes mymove {
50% {min-height: 400px;}
}
</style>
</head>
<body>
<p>逐步改变 max-height, 从 "none" 到 "400px":<p>
<div id="myDIV">
<p>This DIV element does not have a pre-defined height.</p>
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