GuruShots grayscale fill gauges

GS_Grayscale_gauges.user.js

// ==UserScript==
// @name         GuruShots grayscale fill gauges
// @description  Make all gauges on GuruShots grayscale
// @namespace    http://karmalakas.lt/
// @version      1.1.0
// @author       Karmalakas
// @updateURL    https://gist.github.com/Karmalakas/c09c8bcc24cb213b3feadefc944ab8dd/raw/GS_Grayscale_gauges.user.js
// @downloadURL  https://gist.github.com/Karmalakas/c09c8bcc24cb213b3feadefc944ab8dd/raw/GS_Grayscale_gauges.user.js
// @supportURL   https://gist.github.com/Karmalakas/c09c8bcc24cb213b3feadefc944ab8dd
// @match        https://gurushots.com/*
// @run-at       document-idle
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    GM_addStyle('' +
        '.c-challenges-item__exposure__meter__wrapper img {filter: grayscale(1);}'
    );
})();

This script will add a grayscale filter to the shiny gauges on Gurushots website. Nothing more, nothing less..
See images bellow

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This only works with TamperMonkey (or similar) extension. Supported browsers are Chrome, Firefox, Edge (maybe others too).

TamperMonkey for:

• Chrome/Edge: https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo
• FF: https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/
• Opera: https://addons.opera.com/en/extensions/details/tampermonkey-beta/

Once you have TamperMonkey installed, just go to the @downloadURL you see in a script.
If later TM fails to update script, just go to @updateURL you see in a script. This should trigger the update in a new window with TM open.

Any questions or suggestions are welcome.

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If you like this script, please consider keeping me scripting 😄