дубль-мини
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
body{
background-color:#333;
}
.lamp{
width:15px;
height:15px;
float:left;
margin:10px;
border-radius:25px 8px;
transition:all .3s ease-in;
box-shadow:0px 0px 8px 0px rgba(255, 255, 255, 1);
}
.wrapper{
width:640px;
margin:0 auto;
color:gold;
text-align:center;
}
</style>
<script>
window.addEventListener("DOMContentLoaded", function() {
var a = document.querySelectorAll(".lamp"), b = "#ff0000 #006cff #02fa0c #ff04d5 #ffff00 #ffd700".split(" ");
(function e() {
var c = b[Math.random() * b.length | 0], f = .3 < Math.random(), d = a[Math.random() * a.length | 0].style;
d.backgroundColor = c;
d.boxShadow = f ? "0px 0px 15px 0px " + c : "";
window.setTimeout(e, 20);
})();
});
</script>
</head>
<body>
<div class="wrapper"> <h1>С Новым Годом! :)</h1>
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</div>
</body>
</html>