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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div
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{
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width:100px;
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height:100px;
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background:red;
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position:relative;
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animation-name:myfirst;
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animation-duration:5s;
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animation-timing-function:linear;
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animation-delay:2s;
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animation-iteration-count:infinite;
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animation-direction:alternate;
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animation-play-state:running;
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/* Safari and Chrome: */
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-webkit-animation-name:myfirst;
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-webkit-animation-duration:5s;
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-webkit-animation-timing-function:linear;
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-webkit-animation-delay:2s;