html
html
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<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<div><div class="box" id="b1"></div><div class="box" id="b2"></div><div class="box" id="b1"></div></div>
<div style="top:40px;"><div class="box" id="b2"></div><div class="box" id="b1"></div><div class="box" id="b2"></div></div>
</body>
</html>
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css
css
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.box{
width:40px;
height:40px;
background-color: #abcdef;
}
#b1{
animation:sc 2s ease-in-out infinite;
animation-delay:1s;
float:left;
}
#b2{
animation:sc 2s ease-in-out infinite;
float:left;
}
@keyframes sc{
0%,100%{transform:scale(1,1);}
50%{transform:scale(0,0);}
}
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js
js
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