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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<style>
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#myDIV {
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    width: 300px;
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    height: 200px;
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    border: 1px solid black;
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    background-image: url('/themes/zhan/styles/images/compatible_firefox.gif');
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    background-size: 20px 20px;
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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% {background-size: 125px 125px;}
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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% {background-size: 125px 125px;}
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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 background-size 属性，从 "10px 10px" 到 "125px 125px",然后回到 "10px 10px":<p>
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<div id="myDIV"></div>
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​
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<p>background-size 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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</body>
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</html>
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