Simple Print LeetCode Problems

Removed unnecessary elements in the page for a clear PDF print of the leetcode question only
As of 2017-05-01. See the latest version.
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Wrap lines
// ==UserScript==
// @name         Simple Print LeetCode Problems
// @namespace    https://greatest.deepsurf.us/en/users/114838-groundzyy
// @version      0.2
// @description  Removed unnecessary elements in the page for a clear PDF print of the leetcode question only
// @author       groundzyy
// @match        https://leetcode.com/problems/*
// ==/UserScript==
 
(function() {
    'use strict';
    $(document).ready(function() {
        var diff = $('.question-info > ul li:nth-child(5)').text();
        $('#tab-view-app').remove();
        $('#add-to-favorite').remove();
        $('.question-info').remove();
        $('.notepad-wrapper').remove();
        $('#interviewed-div').remove();
        $('section.action').remove();
        $('div.ng-scope').remove();
        $('div.navbar').remove();
        $('#submission-form-app').remove();
        // $('footer').remove();
        $('#chat-link').remove();
        $('span.hidebutton').css('display', 'inline');
        $('#tags').remove();
        $('#similar').remove();
        $('a.btn-primary').css('border', '1px solid silver');
        $('a.btn-primary').removeAttr("href");
        $('a[href="/subscribe/"]').parent().remove();
        $('head title').text($('.question-title > h3').text().trim().replace('.', ''));
        $('body').css('font-size', '28px');
        $('pre').css('font-size', '22px');
        $('a.btn-primary').css('font-size', '20px');
        // $('a.btn-primary').parent().parent().css('margin-top', '10px');
        $('div.question-title h3').css('font-size', '32px');
        $('p').css('margin-bottom', '28px');
        $('p').css('margin-top', '28px');
        $('footer').remove();
        $('div.content-wrapper').append('<hr style="margin-top:100px;"/>');
        $('div.content-wrapper').append('<div><span class="hidebutton" style="display: inline;"> <a class="btn btn-xs btn-primary" style="border: 1px solid silver; font-size: 20px;">' + diff + '</a></span></div>');
        $('div.content-wrapper').append($('a.btn-primary').parent().parent());
        $('pre').css('white-space', 'pre-wrap');
        $('pre').css('font-size', '28px');
        $('.question-content').css('line-height', '42px');
        $('.showspoilers').remove();
        $('div.spoilers').css('display', 'block');
        $('div.spoilers').css('margin-top', '100px');
        $('div.spoilers').css('font-size', '20px');
        $("b:contains('Credits:')").parent().remove();
    });
})();