// ==UserScript==
// @name     Rainbow :3
// @version  1
// @include  *strm.pl*
// @grant    none
// ==/UserScript==

const style = document.createElement('style');

style.innerText = `
    @keyframes rainbow {
        0% { filter: hue-rotate(0); }
        100% { filter: hue-rotate(359deg); }
    }

    body {
        animation: rainbow 1s ease-in-out infinite;
    }
`;

document.head.appendChild(style);