Clean up Zhihu question page in GreaseMonkey

Zhihu Cleaner

// ==UserScript==
// @name         Zhihu Cleaner
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Cleanup Zhihu CSS
// @author       W
// @match        https://www.zhihu.com/question/*
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';
    var style = `
    html {
        margin-bottom: 0px;
        margin-right: 0px;
    }
    .QuestionHeaderTopicMeta.Card {
        display: none;
    }
    .Modal-wrapper {
        display: none;
    }
    .AppHeader {
        display:none;
    }
    .Question-sideColumn {
        display:none;
    }
    .QuestionHeader-side {
        display:none;
    }
    .QuestionHeader-topics {
        display:none;
    }

    .QuestionHeader-footer-main {
        display:none;
    }
    .QuestionHeader-title .Button {
        display:none;
    }
    .Avatar{
        display: none;
    }

    .QuestionHeader-title {
        font-weight: normal
    }
    .AuthorInfo-name {
        font-weight: normal
    }

    .QuestionHeader {
        padding: 0px;
    }

    .Sticky--holder {
        display: none !important;
    }

    .VoteButton {
        color: #8590a6;
    }
    div.ContentItem-actions > span {
        display: none;
    }
    div.Popover.ShareMenu.ContentItem-action {
        display: none;
    }
    div.ContentItem-actions > button:nth-child(5) {
        display: none;
    }
    .Question-mainColumn {
        width: 60%;
    }
    .QuestionHeader-content {
        width: 60%;
        padding: inherit;
        margin: inherit;
    }
    .CornerButton {
        display: none;
    }
    .Pc-word {
        display: none;
    }
    .Question-mainColumnLogin {
        display: none;
    }

    `
    function change_favicon(img) {
        var favicon = document.querySelector('link[rel="shortcut icon"]');

        if (!favicon) {
            favicon = document.createElement('link');
            favicon.setAttribute('rel', 'shortcut icon');
            var head = document.querySelector('head');
            head.appendChild(favicon);
        }
        favicon.setAttribute('type', 'image/png');
        favicon.setAttribute('href', img);
    }

    function update_title(text) {
        setInterval(()=>{
            var title = document.querySelector("head > title")
            title.innerHTML = text
        }, 5000)
    }

    function update_html() {
        var timer = setInterval(()=>{
            clearInterval(timer)
            var html = document.querySelector("html")
            html.style.overflow = "auto"
        }, 1000)
    }

    GM_addStyle(style)
    change_favicon('https://www.baidu.com/favicon.ico');
    update_title('https://www.baidu.com/');
    update_html();
})();