实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>手册网(www.shouce.ren)</title>
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<style>
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#myDIV {
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    width: 500px;
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    background-color: lightblue;
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    overflow: auto;
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    border: 1px solid black;
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    -webkit-animation: mymove 5s infinite; /* Chrome, Safari, Opera */
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    animation: mymove 5s infinite;
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}
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​
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/* Chrome, Safari, Opera */
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@-webkit-keyframes mymove {
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    50% {min-height: 400px;}
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}
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​
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/* Standard syntax */
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@keyframes mymove {
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    50% {min-height: 400px;}
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}
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</style>
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</head>
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<body>
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​
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<p>逐步改变 max-height, 从 "none" 到 "400px":<p>
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<div id="myDIV">
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  <p>This DIV element does not have a pre-defined height.</p>
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  <p>An animation will change the min-height, from "none" to "400px".</p>
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</div>
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​
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<p>min-height 属性支持动画效果。</p>
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<p><b>注意：</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 动画。</p>
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​
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</body>
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</html>