以下是2个实例：
实例一：
@keyframes fadeInDown {
from {
opacity: 0;
width: 100px;
height: 100px;
background-color: red;
-moz-transform: translate3d(0, -100%, 0);
-ms-transform: translate3d(0, -100%, 0);
-webkit-transform: translate3d(0, -100%, 0);
transform: translate3d(0, -100%, 0);
}
to {
opacity: 1;
width: 100px;
height: 100px;
background-color: red;
-moz-transform: none;
-ms-transform: none;
-webkit-transform: none;
transform: none;
}
}
实例二：
<!DOCTYPE html>
<html>
<head>
<style>
div
{
width:100px;
height:100px;
background:red;
position:relative;
animation:mymove 5s infinite;
-moz-animation:mymove 5s infinite; /* Firefox */
-webkit-animation:mymove 5s infinite; /* Safari and Chrome */
-o-animation:mymove 5s infinite; /* Opera */
}
@keyframes mymove
{
from {top:0px;}
to {top:200px;}
}
@-moz-keyframes mymove /* Firefox */
{
from {top:0px;}
to {top:200px;}
}
@-webkit-keyframes mymove /* Safari and Chrome */
{
from {top:0px;}
to {top:200px;}
}
@-o-keyframes mymove /* Opera */
{
from {top:0px;}
to {top:200px;}
}
</style>
</head>
<body>
<p><b>注释：</b>本例在 Internet Explorer 中无效。</p>
<div></div>
</body>
</html>
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