WordPress跑马灯公告代码

<style>
    #nr {
        font-size: 20px;
        margin: 0;
        background: -webkit-linear-gradient(left, #ffffff, #ff0000 6.25%, #ff7d00 12.5%, #ffff00 18.75%, #00ff00 25%, #00ffff 31.25%, #0000ff 37.5%, #ff00ff 43.75%, #ffff00 50%, #ff0000 56.25%, #ff7d00 62.5%, #ffff00 68.75%, #00ff00 75%, #00ffff 81.25%, #0000ff 87.5%, #ff00ff 93.75%, #ffff00 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-size: 200% 100%;
        animation: masked-animation 2s infinite linear;
    }
    
    @keyframes masked-animation {
        0% {
            background-position: 0 0;
        }
        100% {
            background-position: -100%, 0;
        }
    }
</style>
<div style="background-color:#333;border-radius:25px;box-shadow:0px 0px 5px #f200ff;padding:5px;margin-bottom:0px;">
    <marquee> <b id="nr">此处填写文字</b> </marquee>
</div>