// ==UserScript==
// @name 任意网站去黑白
// @namespace http://tampermonkey.net/
// @version 2.0
// @description 去除任意网站的黑白样式
// @author share121
// @match *://*/*
// @license MIT
// @grant none
// @homepageURL https://greasyfork.org/zh-CN/scripts/455866
// @supportURL https://greasyfork.org/zh-CN/scripts/455866-%E4%BB%BB%E6%84%8F%E7%BD%91%E7%AB%99%E5%8E%BB%E9%BB%91%E7%99%BD/feedback
// @downloadURL none
// ==/UserScript==
document
    .querySelector("head")
    .appendChild(document.createElement("style")).innerText =
    ".grayToColorful{filter:grayscale(0)!important;-webkit-filter:grayscale(0)!important;-moz-filter:grayscale(0)!important;-ms-filter:grayscale(0)!important;-o-filter:grayscale(0)!important;filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=0)!important;}";
document.querySelectorAll("*").forEach(function (e) {
    let s = getComputedStyle(e),
        g = function (t) {
            if (!Boolean(t)) {
                return false;
            }
            return /grayscale/i.test(t);
        };
    if (
        g(s.filter) ||
        g(s.webkitFilter) ||
        g(s.mozFilter) ||
        g(s.msFilter) ||
        g(s.oFilter)
    ) {
        e.classList.add("grayToColorful");
    }
});