CSS background 属性动画-在线运行代码案例-大卫编程网

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS background 属性动画示例- 基础教程(div.cn)</title>
<style>
.animated {
    width: 300px;
    height: 175px;
    background: url("/run/images/sun.png") no-repeat -50px -50px black;
    background-size: 10%;
    -webkit-animation: test 4s infinite; /* Chrome, Safari, Opera */
    animation: test 4s infinite;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes test {
	50% {	
		background-color: floralwhite;
		background-position: center;
		background-size: 40%;
	}
}
/* Standard syntax */
@keyframes test {
    50% {	
		background-color: floralwhite;
		background-position: center;
		background-size: 40%;
	}
}
</style>
</head>
<body>
	<p> <strong>警告：</strong>：CSS动画在Internet Explorer 9和更早版本中不起作用。</p>

<p> <strong>注意</strong>：在所有单独的背景属性中，只有background-color，background-position和background-size属性在CSS中是可动画的。 有关详细信息，请参见CSS <a href="https://www.div.cn/css-reference/css-background-属性示例.html" target="_top">背景</a>速记属性。</p>
	<div class="animated"></div>
</body>
</html>