1.1、HTML-编写简单的自我介绍网站 - 已锁定
<html>
<head>
<style>
div
{
width:100px;
height:100px;
background:red;
position:relative;
animation:myfirst 5s infinite;
animation-direction:alternate;
/* Safari and Chrome */
-webkit-animation:myfirst 5s infinite;
-webkit-animation-direction:alternate;
}
@keyframes myfirst
{
0% {background:red; left:0px; top:0px;}
25% {background:yellow; left:200px; top:0px;}
50% {background:blue; left:200px; top:200px;}
75% {background:green; left:0px; top:200px;}
100% {background:red; left:0px; top:0px;}
}
@-webkit-keyframes myfirst /* Safari and Chrome */
{
0% {background:red; left:0px; top:0px;}
25% {background:yellow; left:200px; top:0px;}
50% {background:blue; left:200px; top:200px;}
75% {background:green; left:0px; top:200px;}
100% {background:red; left:0px; top:0px;}
}
</style>
</head>
<body>
<div>这是一个动画</div>
</body>
</html>
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发表于 2018-7-27
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