<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
body{
background-color: #ffa5a5;
}
.cen{
width: 200px;
height: 200px;
background-color: #d5093c;
box-shadow: 0px 0px 70px #D5093C;
animation: 1s td infinite;
}
.lef{
border-radius: 100px;
position: absolute;
top: 138px;
left: 198px;
}
.rig{
border-radius: 100px;
position: absolute;
top: 137px;
left: 321px;
}
.c{
transform: rotate(45deg);
position: absolute;
top: 199px;
left: 259px;
}
@keyframes aj{
0%{transform: scale(1)rotate(45deg);}
50%{transform: scale(1.1)rotate(45deg);}
100%{transform: scale(1)rotate(45deg);}
}
@-moz-keyframes name{
from{}
to{}
}
@-ms-keyframes name{
from{}
to{}
}
@-webkit-keyframes name{
from{}
to{}
}
</style>
</head>
<body>
<div class="cen lef"></div>
<div class="cen c"></div>
<div class="cen rig"></div>
</body>
</html>
老师你好，我这个代码为啥心无法实现跳动呢，感觉是一模一样的阿试了很多次
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