代码编辑器：
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<meta charset="utf-8"><link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> 3
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<style> 5
#myDIV {6
animation: mymove 5s infinite; /* Chrome, Safari, Opera */7
animation: mymove 5s infinite;8
}9
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/* Chrome, Safari, Opera */11
@-webkit-keyframes mymove {12
50% {text-shadow: 10px 20px 30px blue;}13
}14
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/* Standard syntax */16
@keyframes mymove {17
50% {text-shadow: 10px 20px 30px blue;}18
}