本人亲测，效果不凑
<!DOCTYPE html>
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
@-webkit-keyframes shineRed {
from { -webkit-box-shadow: 0 0 5px #bbb; }
50% { -webkit-box-shadow: 0 0 10px red; }
to { -webkit-box-shadow: 0 0 5px #bbb; }
}
.shine_red{
-webkit-animation-name: shineRed;
-webkit-animation-duration: 3s;
-webkit-animation-iteration-count: infinite;
}
</style>
</head>
<body>
<ul>
<li class="shine_red"></li>
</ul>
<div class="shine_red" style="height:50px;width:50px;"><div>
</body>
</html>