App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<html><head>
<style> 
div {
    width: 100px;
    height: 100px;
    background: black;
    position: relative;
    -webkit-animation: mymove 3s;            /* Chrome, Safari, Opera */
    -webkit-animation-iteration-count: 2;    /* Chrome, Safari, Opera */
    -webkit-animation-fill-mode: both;   /* Chrome, Safari, Opera */
    animation: mymove 3s;
    animation-iteration-count: 2;
    animation-fill-mode: forwards;
}
@-webkit-keyframes mymove {
    from {top: 0px;}
    to {top: 200px;}
}
@keyframes mymove {
    from {top: 0px;}
    to {top: 200px;}
}
</style>
</head>
<body>
<div></div>
</body>
</html>
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