<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Gradient Wheel</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" media="screen" href="style.css" />
</head>

<body>
    <div class="loader">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
    </div>
</body>

</html>
body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #f1f1f1;
}

.loader {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: linear-gradient(#f07e6e, #84cdfa, #5ad1cd);
    animation: animate 1.2s linear infinite;
}

@keyframes animate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loader span {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(#f07e6e, #84cdfa, #5ad1cd);
}

.loader span:nth-child(1) {
    filter: blur(5px);
}

.loader span:nth-child(2) {
    filter: blur(10px);
}

.loader span:nth-child(3) {
    filter: blur(25px);
}

.loader span:nth-child(4) {
    filter: blur(50px);
}

.loader:after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: #f1f1f1;
    border: solid white 10px;
    border-radius: 50%;
}

External CSS

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External JavaScript

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