[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">
<!-- 内容可以放这里 -->
</div>
</body>
</html>