测试
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
.anim-opacity2{animation: 2s opacity2 0s infinite; -webkit-animation: 2s opacity2 0s infinite;-moz-animation: 2s opacity2 0s infinite;}
@keyframes opacity2{
0%{opacity:0}
50%{opacity:.8;}
100%{opacity:0;}
}
@-webkit-keyframes opacity2{
0%{opacity:0}
50%{opacity:.8;}
100%{opacity:0;}
}
@-moz-keyframes opacity2{
0%{opacity:0}
50%{opacity:.8;}
100%{opacity:0;}
}
</style>
</head>
<body> <h1 class="anim-opacity2">测试</h1> </body>
</html>