\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{James Draper (drapja)}
\pdfinfo{
  /Title (firefox-windows.pdf)
  /Creator (Cheatography)
  /Author (James Draper (drapja))
  /Subject (Firefox (Windows) Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{50B9CF}
\definecolor{LightBackground}{HTML}{F4FAFC}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Firefox (Windows) Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{James Draper (drapja)} via \textcolor{DarkBackground}{\uline{cheatography.com/33530/cs/10441/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}James Draper (drapja) \\
  \uline{cheatography.com/drapja} \\
        \uline{\seqsplit{jamesdraper}.me}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 7th January, 2017.\\
   Updated 7th January, 2017.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.58804 cm} x{2.38896 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-binoculars\}\} Search}}  \tn
% Row 0
\SetRowColor{LightBackground}
Focus Search bar & Ctrl+K\{\{nl\}\}Ctrl+E \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Toggle search engines* & Ctrl+\{\{fa-arrow-up\}\} \tn 
% Row Count 3 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{*when Search Bar is focused}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-compass\}\} Navigation}}  \tn
% Row 0
\SetRowColor{LightBackground}
Back & Alt+\{\{fa-arrow-left\}\} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Forward & Alt+\{\{fa-arrow-right\}\} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Home & Alt+Home \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Reload & F5\{\{nl\}\}Ctrl+Shift+R \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Reload (override cache) & Ctrl+F5\{\{nl\}\}Ctrl+ Shift+R \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
Stop & Esc \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.93643 cm} x{2.04057 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-bookmark-o\}\}Bookmarks}}  \tn
% Row 0
\SetRowColor{LightBackground}
Toggle Bookmarks sidebar & Ctrl+B\{\{nl\}\}Ctrl+I \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Bookmark Current Page & Ctrl+D \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Bookmark All Tabs & Ctrl+Shift+D \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Library window (Bookmarks) & Ctrl+Shift+B \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-wrench\}\} Tools}}  \tn
% Row 0
\SetRowColor{LightBackground}
Downloads & Ctrl+J \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Page Source & Ctrl+U \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Inspector & Ctrl+Shift+C \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Browser Console & Ctrl+Shift+J \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Web Console & Ctrl+Shift+K \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
Add-ons & Ctrl+Shift+A \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Toggle Developer Tools & F12\{\{nl\}\}Ctrl+Shift+I \tn 
% Row Count 8 (+ 2)
% Row 7
\SetRowColor{white}
Debugger & Ctrl+Shift+S \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
Style Editor & Shift+F7 \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
Profiler & Shift+F5 \tn 
% Row Count 11 (+ 1)
% Row 10
\SetRowColor{LightBackground}
Network & Ctrl+Shift+Q \tn 
% Row Count 12 (+ 1)
% Row 11
\SetRowColor{white}
Developer Toolbar & Shift + F2 \tn 
% Row Count 13 (+ 1)
% Row 12
\SetRowColor{LightBackground}
Responsive Design View & Ctrl+Shift+M \tn 
% Row Count 15 (+ 2)
% Row 13
\SetRowColor{white}
Scratchpad & Shift+F4 \tn 
% Row Count 16 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{\{\{fa-plus-square-o\}\} Tabs \& Windows}}  \tn
% Row 0
\SetRowColor{LightBackground}
New Tab & Ctrl+T \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Close Tab & {\bf{Ctrl+W}}\{\{nl\}\}Ctrl+F4 \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Undo Close Tab & Ctrl+Shift+T \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
{\bf{Next Tab}} & {\bf{Ctrl+Page Up}}\{\{nl\}\}Ctrl+Tab \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{Previous Tab}} & {\bf{Ctrl+Page Down}}\{\{nl\}\}Ctrl+Shift+Tab \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
Move Tab in focus {\bf{left}} & Ctrl+Shift+Page Up \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Move Tab in focus {\bf{right}} & Ctrl+Shift+Page Down \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
Move Tab in focus to {\bf{start}} & Ctrl+Home \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Move Tab in focus to {\bf{end}} & Ctrl+End \tn 
% Row Count 16 (+ 2)
% Row 9
\SetRowColor{white}
New Window & Ctrl+N \tn 
% Row Count 17 (+ 1)
% Row 10
\SetRowColor{LightBackground}
New Private Window & Ctrl+Shift+P \tn 
% Row Count 19 (+ 2)
% Row 11
\SetRowColor{white}
Close Window & Ctrl+Shift+W\{\{nl\}\}Alt+F4 \tn 
% Row Count 21 (+ 2)
% Row 12
\SetRowColor{LightBackground}
Undo Close Window & Ctrl+Shift+N \tn 
% Row Count 22 (+ 1)
% Row 13
\SetRowColor{white}
Select Last Tab & Ctrl+9 \tn 
% Row Count 23 (+ 1)
% Row 14
\SetRowColor{LightBackground}
Select Tab 1 to 8 & Ctrl+1-8 \tn 
% Row Count 24 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}