<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box{
width:780px;
height:400px;
margin:0 auto;
}
body{
display: flex;
min-height: 100vh;
align-items: center;
justify-content: center;
flex-direction: column;
background-color: #2A3137;
}
.outer-circle{
position: relative;
height: 200px;
width: 200px;
background:linear-gradient(#14ffe9,#ffeb3b,#ff00e0);
border-radius: 50%;
animation:rotate 1.5s linear infinite;
}
.inner-circle{
height: 180px;
width: 180px;
position: absolute;
background-color: black;
top:10px;
left: 10px;
border-radius: 50%;
z-index:2;
}
@keyframes rotate {
0%{
filter:hue-rotate(0deg);
}
100%{
filter:hue-rotate(360deg);
}
}
.outer-circle span{
position: absolute;
height: 200px;
width: 200px;
background:linear-gradient(#14ffe9,#ffeb3b,#ff00e0);
border-radius: 50%;
}
span:nth-child(1){
filter:blur(5px);
}
span:nth-child(2){
filter:blur(20px);
}
span:nth-child(3){
filter:blur(25px);
}
span:nth-child(4){
filter:blur(100px);
}
</style>
</head>
<body>
<div class='outer-circle'>
<div class='inner-circle'></div>
<span></span>
<span></span>
<span></span>
<span></span>
</div>
<script>
</script>
</body>
</html>
