source.user.js

// ==UserScript==
// @name         Gamepro5's Fandom Wiki Fixer
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  A very simple script that removes bloat and gross stuff from the tumor that is fandom wikis.
// @author       Gamepro5.com
// @match        https://*.fandom.com/wiki/*
// @icon         https://www.google.com/s2/favicons?domain=fandom.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function deleteNode(node) {
        if (node) {
            node.parentNode.removeChild(node);
        };
    };

    deleteNode(document.getElementsByClassName("global-navigation")[0]);
    deleteNode(document.getElementsByClassName("wds-global-footer")[0]);
    deleteNode(document.getElementsByClassName("mcf-wrapper")[0]);
    deleteNode(document.getElementsByClassName("page-side-tools")[0]);


    document.getElementsByClassName("main-container")[0].style.marginLeft = "0px";
    document.getElementsByClassName("main-container")[0].style.width = "100%";
    document.getElementsByClassName("fandom-sticky-header")[0].style.left = "0px";
    document.getElementsByClassName("resizable-container")[0].style.width = "100%";
    document.getElementsByClassName("resizable-container")[0].style.maxWidth = "100%";


    document.getElementsByClassName("wiki-tools__search")[0].style.paddingLeft = "50px";
    document.getElementsByClassName("wiki-tools__search")[0].style.paddingRight = "50px";
    document.getElementsByClassName("wiki-tools__search")[1].style.paddingLeft = "50px";
    document.getElementsByClassName("wiki-tools__search")[1].style.paddingRight = "50px";

    deleteNode(document.getElementById("WikiaBarWrapper"));
    deleteNode(document.getElementsByClassName("page__right-rail")[0]);

})();