\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{ff3366}
\pdfinfo{
  /Title (sdf-tutorials.pdf)
  /Creator (Cheatography)
  /Author (ff3366)
  /Subject (SDF Tutorials Cheat Sheet)
}

% Lengths and widths
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\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
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\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\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{SDF Tutorials Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{ff3366} via \textcolor{DarkBackground}{\uline{cheatography.com/67109/cs/16787/}}}
\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}ff3366 \\
  \uline{cheatography.com/ff3366} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 26th August, 2018.\\
   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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Tutorial File Locations}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Tutorials}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\emph{/sys/html/tutorials}}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Tutorial Images}}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\emph{/sys/html/tutorials/images}}} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{File Check-out/Check-in Process}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Check-out}} & `co -l {\emph{filename}}` \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Check-in}} & `ci -u {\emph{filename}}`\{\{nl\}\}End description with a single ".". \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{HTML Style Guide}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{The code in tutorial files represents the contents of a `\textless{}body\textgreater{}` element, and {\bf{must not contain}} the following elements/tags:} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`\textless{}html\textgreater{}` / `\textless{}/html\textgreater{}`\{\{nl\}\}`\textless{}head\textgreater{}` / `\textless{}/head\textgreater{}`\{\{nl\}\}`\textless{}meta\textgreater{}`\{\{nl\}\}`\textless{}base\textgreater{}`\{\{nl\}\}`\textless{}body\textgreater{}` / `\textless{}/body\textgreater{}`} \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Tutorial files also contain an RCS \$Id tag, something like: `\$Id:filename.html,v 1.11 2011/01/01 11:11:11 username Exp \$`. This is automatically generated by RCS and should be left as the last line of the file.} \tn 
% Row Count 11 (+ 5)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{To maximize backwards compatibility, try to restrict yourself to the following elements.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}• Structural Elements\{\{nl\}\}~~~`\textless{}h1\textgreater{}`, ..., `\textless{}h6\textgreater{}`\{\{nl\}\}• Grouping/Block-Level Elements\{\{nl\}\}~~~`\textless{}p\textgreater{}`\{\{nl\}\}~~~`\textless{}pre\textgreater{}`\{\{nl\}\}~~~`\textless{}ul\textgreater{}`,`\textless{}ol\textgreater{}`, `\textless{}dl\textgreater{}` and their subordinates\{\{nl\}\}~~~`\textless{}blockquote\textgreater{}`\{\{nl\}\}~~~`\textless{}hr\textgreater{}`\{\{nl\}\}~~~`\textless{}table\textgreater{}` and its subordinates\{\{nl\}\}~~~and, of course, `\textless{}div\textgreater{}`\{\{nl\}\}• Text-level/Inline Elements\{\{nl\}\}~~~`\textless{}br\textgreater{}`\{\{nl\}\}~~~`\textless{}a\textgreater{}`\{\{nl\}\}~~~`\textless{}img\textgreater{}`\{\{nl\}\}~~~`\textless{}code\textgreater{}`, `\textless{}samp\textgreater{}`, and `\textless{}kbd\textgreater{}`\{\{nl\}\}~~~`\textless{}sup\textgreater{}` and `\textless{}sub\textgreater{}`\{\{nl\}\}~~~`\textless{}strong\textgreater{}`, `\textless{}small\textgreater{}`, and `\textless{}em\textgreater{}`\{\{nl\}\}~~~`\textless{}i\textgreater{}`, `\textless{}b\textgreater{}`,`\textless{}u\textgreater{}`, and `\textless{}s\textgreater{}`\{\{nl\}\}~~~`\textless{}dfn\textgreater{}`, `\textless{}var\textgreater{}`, and `\textless{}cite\textgreater{}`\{\{nl\}\}} \tn 
% Row Count 30 (+ 19)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{HTML Style Guide (cont)}}  \tn
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Many closing tags are optional, but for code clarity they can be nice. Stay away from XHTML self-closing tag forms (ie. `\textless{}br/\textgreater{}`, `\textless{}hr/\textgreater{}`, `\textless{}img src="some\_url"/\textgreater{}`, et cetera).} \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{{\bf{Creating a new tutorial}}}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Change your working directory to {\emph{/sys/html/tutorials}}.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`cd /sys/html/tutorials`} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Use {\bf{umask}} to make sure your new file is readable.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`umask 022`} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Create your new tutorial file.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`echo -e "\textbackslash{}n\textbackslash{}\$Id\textbackslash{}\$" \textgreater{} \seqsplit{your\_tutorial\_filename.html`}} \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Use {\bf{ci -u}} to check-in and unlock the new file.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`ci -u \seqsplit{your\_tutorial\_filename.html`}} \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Enter a meaningful description for your new tutorial, end the description with a line with a single ".".} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`How to contribute to the SDF\{\{nl\}\}.`} \tn 
% Row Count 15 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Now your new tutorial file is created and you can edit it using the {\bf{Editing a tutorial}} guide below.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Editing a tutorial}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Change your working directory to {\emph{/sys/html/tutorials}}.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`cd /sys/html/tutorials`} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Use the command {\bf{co -l}} to check out the tutorial file and lock it while you edit it.~ If when using {\bf{co -l}} you are told that the file is already locked please {\bf{STOP}} what you are doing and wait for it to be checked back in.~ If it does not get checked back in, email the author and let them know you want to check out the file and edit it.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`co -l {\emph{filename}}`} \tn 
% Row Count 12 (+ 9)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Edit the file using your preferred text editor.~ If you save your work periodically, you can load and reload the tutorial in your web browser to see your changes.~ The URL for the tutorial file will be {\emph{http://sdf.org/?tutorials/filename\_without\_extension}} (eg. If you are editing {\emph{/sys/html/tutorials/nmap\_for\_dummies.html}}, the URL will be {\emph{http://sdf.org/?tutorials/nmap\_for\_dummies}}).} \tn 
% Row Count 20 (+ 8)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Check-in the updated tutorial.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`ci -u filename`} \tn 
% Row Count 22 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Describe the changes you've made to it. Be as terse as you like, but please write something useful.~ End the description with a line with a single ".".} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}`Added a section on describing changes.\{\{nl\}\}.`} \tn 
% Row Count 27 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Your updated tutorial should now be checked back. \newline  \newline {\bf{Note:}} If this is a new tutorial, once your tutorial is ready for public display you will also need to add it to the tutorials index by following the steps above for the {\emph{index.html}} file in the tutorials directory.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}