free to customize these snippets to fit your design needs!
this Gradient Background Animation, You can use and copy code or download .
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Gradient Background Animation</title>
<style>
body {
margin: 0;
height: 100vh;
background: linear-gradient(45deg, #ff6b6b, #f06595, #cc5de8, #845ef7, #5c7cfa, #339af0, #22b8cf, #20c997, #51cf66, #94d82d, #fcc419, #ff922b);
background-size: 300% 300%;
animation: gradient 15s ease infinite;
}
@keyframes gradient {
0% { background-position: 0% 50%; }
50% { background-position: 100% 50%; }
100% { background-position: 0% 50%; }
}
</style>
</head>
<body>
</body>
</html>