DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>五彩斑斓黑title>
<style>
* {
margin: 0;
padding: 0;
}
.black {
animation: move 0.5s ease infinite;
}
@keyframes move {
0% {
background: linear-gradient(0deg,#000d,#000d), linear-gradient(to right, #f001, #ff01,#0f01,#00f1,#f0f1,#f001);
}
20% {
background: linear-gradient(0deg,#000d,#000d), linear-gradient(to right, #ff01,#0f01,#00f1,#f0f1,#f001,#ff01);
}
40% {
background: linear-gradient(0deg,#000d,#000d), linear-gradient(to right, #0f01,#00f1,#f0f1,#f001,#ff01,#0f01);
}
60% {
background: linear-gradient(0deg,#000d,#000d), linear-gradient(to right, #00f1,#f0f1,#f001,#ff01,#0f01,#00f1);
}
80% {
background: linear-gradient(0deg,#000d,#000d), linear-gradient(to right, #f0f1,#f001,#ff01,#0f01,#00f1,#f0f1);
}
100% {
background: linear-gradient(0deg,#000d,#000d), linear-gradient(to right, #f001, #ff01,#0f01,#00f1,#f0f1,#f001);
}
}
style>
head>
<body>
<div class="black" style="width: 100%; height: 100vh;">div>
body>
html>
