[html] 动态炫彩渐变背景

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废话不多说,直接上源码

DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>ZXW-NUDT: 动态炫彩渐变背景title>
        <style>
            body, html {
                height: 100%;
                margin: 0;
            }

            .gradient-background {
                /* 设置渐变背景 */
                background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);

                /* 使背景全屏 */
                height: 100%; 

                /* 添加背景渐变动画 */
                animation: gradientBG 15s ease infinite;
                background-size: 300% 300%;
            }

            /* 定义背景渐变动画 */
            @keyframes gradientBG {
                0% {
                    background-position: 0% 50%;
                }
                50% {
                    background-position: 100% 50%;
                }
                100% {
                    background-position: 0% 50%;
                }
            }
        style>
    head>
<body>
<div class="gradient-background">

div>
body>
html>

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