一个好看的彩虹极光背景
效果：
参考：Elysia - Ergonomic Framework for Humans | ElysiaJS
这个极光背景挺好看的，直接扒下来了
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
* {
margin: 0;
padding: 0;
}
.bg {
width: 100%;
height: 60vh;
opacity: 0.35;
}
.aurora {
--stripes: repeating-linear-gradient(100deg, #fff 0%, #fff 7%, transparent 10%, transparent 12%, #fff 16%);
--rainbow: repeating-linear-gradient(100deg, #60a5fa 10%, #e879f9 16%, #5eead4 22%, #60a5fa 30%);
background-image: var(--stripes), var(--rainbow);
background-size: 300%, 200%;
background-position: 50% 50%, 50% 50%;
height: inherit;
filter: invert(100%);
mask-image: radial-gradient(ellipse at 100% 0%, black 40%, transparent 70%);
}
.aurora::after {
animation: move 90s linear infinite;
content: "";
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-image: var(--stripes), var(--rainbow);
background-size: 200%, 100%;
mix-blend-mode: difference;
}
@keyframes move {
0% {
background-position: 50% 50%, 50% 50%;
}
100% {
background-position: 350% 50%, 350% 50%;
}
}
</style>
<body>
<div class="bg">
<div class="aurora"></div>
</div>
</body>
</html>