Apply a pure black background to any website, ensure text visibility, and differentiate links
// ==UserScript==
// @name Pure Black Background with Visible Text and Links
// @namespace http://tampermonkey.net/
// @version 1.3
// @description Apply a pure black background to any website, ensure text visibility, and differentiate links
// @author Patrick Gomes
// @match *://*/*
// @grant none
// @require https://code.jquery.com/jquery-3.6.0.min.js
// ==/UserScript==
(function() {
'use strict';
// Apply pure black background and ensure text visibility
const applyStyles = () => {
$('*').each(function() {
const color = $(this).css('color');
if (color) {
const rgb = color.match(/\d+/g);
if (rgb) {
const brightness = (parseInt(rgb[0]) * 299 + parseInt(rgb[1]) * 587 + parseInt(rgb[2]) * 114) / 1000;
if (brightness < 128) {
$(this).css('color', '#FFFFFF');
}
}
}
$(this).css('background-color', '#000000');
});
// Style links and visited links
$('a:link').css('color', '#1E90FF'); // DodgerBlue for unvisited links
$('a:visited').css('color', '#551A8B'); // Purple for visited links
};
// Initial style application
applyStyles();
// Observe for dynamically loaded content
const observer = new MutationObserver(applyStyles);
observer.observe(document.body, { childList: true, subtree: true });
})();