stackoverbloat.user.js

// ==UserScript==
// @name         stackoverbloat
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  distraction free stack exchange Q/A
// @author       Florian Kneist
// @match        https://stackoverflow.com/questions/*
// @match        https://askubuntu.com/questions/*
// @match        https://superuser.com/questions/*
// @match        https://unix.stackexchange.com/questions/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var avatars = document.getElementsByClassName('gravatar-wrapper-32')
    for(var i = 0; i < avatars.length; i++){
        console.log(avatars[i])
        avatars[i].innerHTML = "";
        avatars[i].style.backgroundColor = "#eff0f1"
    }

    if(document.querySelector('#question-header > div > a')){
       document.querySelector('#question-header > div > a').style.visibility = 'hidden';
    }

    if (document.getElementsByTagName('header')) {
        document.getElementsByTagName('header')[0].style.visibility = 'hidden';
    }

    if (document.getElementById('left-sidebar')) {
        document.getElementById('left-sidebar').style.visibility = 'hidden';
    }

    if (document.getElementById('sidebar')) {
        document.getElementById('sidebar').style.visibility = 'hidden';
    }

		if (document.getElementsByClassName('hero-container').length > 0) {
				document.getElementsByClassName('hero-container')[0].style.height = '0px';
		}

    // askubuntu begin
		if(document.getElementsByClassName('s-hero').length > 0) {
				document.getElementsByClassName('s-hero')[0].style.height = '0px';
		}

    if (document.getElementById('custom-header')) {
        document.getElementById('custom-header').style.visibility = 'hidden';
    }

    if (document.getElementById('header')) {
        var header = document.getElementById('header')
        header.parentNode.removeChild(header)
    }

    document.getElementById('content').style.fontFamily = 'Arial, Helvetica Neue, Helvetica, sans-serif'
    document.body.style.background = "white";
    // askubuntu end

    // unix.stackexchange begin
    document.body.style.backgroundImage = "url('')";
    // unix.stackexchange end

})();