给网站加一个滑动公告

[cv]

<style>
/* 墨桅博客 https://www.jetmast.com */
#nr {
    font-size: 20px !important;
    margin: 0 !important;
    color: #fff !important;
    background: linear-gradient(90deg,
        #ff0000, #ff7d00, #ffff00, #00ff00,
        #00ffff, #0000ff, #ff00ff, #ff0000) !important;
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-size: 200% 100% !important;
    animation: masked-animation 2s infinite linear !important;
}
@keyframes masked-animation {
    0% { background-position: 0 0; }
    100% { background-position: -200% 0; }
}
</style>
<div style="background-color:#333;border-radius:25px;box-shadow:0 0 5px #f200ff;padding:5px;margin:10px 0;">
    <marquee scrollamount="6">
        <b id="nr">公告：欢迎来到墨桅博客 - 一家专业的热门资源聚合平台！墨桅博客：https://www.jetmast.com</b>
    </marquee>
</div>

[/cv]