PythonAnyDark/script.user.js

// ==UserScript==
// @name         PythonAnyDark
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Darkmode for PythonAnywhere dashboard
// @author       Swee
// @match        *://www.pythonanywhere.com/*
// @grant        none
// @run-at       document-body
// ==/UserScript==

const style = document.createElement("style");
style.innerHTML = `
body, .active, .navbar {
background: #0f161c !important;
color: white;
}
tr.hoverable:hover {
background: #013e6d !important;
}
.pale, i.pale, .directory_listing_table {
color: white !important;
opacity: 1;
}
`;
document.body.appendChild(style);