\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{superstructor}
\pdfinfo{
  /Title (gitlab-markdown.pdf)
  /Creator (Cheatography)
  /Author (superstructor)
  /Subject (GitLab Markdown 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}{f3130f}
\definecolor{LightBackground}{HTML}{FEF0F0}
\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{GitLab Markdown Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{superstructor} via \textcolor{DarkBackground}{\uline{cheatography.com/54103/cs/14533/}}}
\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}superstructor \\
  \uline{cheatography.com/superstructor} \\
  \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 30th January, 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{2.28942 cm} x{2.68758 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Special References}}  \tn
% Row 0
\SetRowColor{LightBackground}
`@user\_name` & specific user \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`@group\_name` & specific group \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`@all` & entire team \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
`\#123` & issue \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
`!123` & merge request \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
`\$123` & snippet \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
`\&123` & epic \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
`\textasciitilde{}123` & label by ID \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
`\textasciitilde{}bug` & one-word label by name \tn 
% Row Count 10 (+ 2)
% Row 9
\SetRowColor{white}
`\textasciitilde{}"feature request"` & multi-word label by name \tn 
% Row Count 12 (+ 2)
% Row 10
\SetRowColor{LightBackground}
`\%123` & project milestone by ID \tn 
% Row Count 14 (+ 2)
% Row 11
\SetRowColor{white}
`\%v1.23` & one-word milestone by name \tn 
% Row Count 16 (+ 2)
% Row 12
\SetRowColor{LightBackground}
`\%"release candidate"` & multi-word milestone by name \tn 
% Row Count 18 (+ 2)
% Row 13
\SetRowColor{white}
`9ba12248` & specific commit \tn 
% Row Count 19 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\seqsplit{`9ba12248...b19a04f5`} & commit range comparison \tn 
% Row Count 21 (+ 2)
% Row 15
\SetRowColor{white}
`{[}README{]}(doc/README)` & repository file references \tn 
% Row Count 23 (+ 2)
% Row 16
\SetRowColor{LightBackground}
`{[}README{]}(doc/README\#L13)` & repository file line references \tn 
% Row Count 25 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Cross-Project References}}  \tn
% Row 0
\SetRowColor{LightBackground}
`ns/project\#123` & issue \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`ns/project!123` & merge request \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`ns/project\%123` & project milestone \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
`ns/project\$123` & snippet \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
`ns/project@9ba12248` & specific commit \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
`group1/subgroup\&123` & epic \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{`ns/project@9ba12248...b19a04f5`} & commit range comparison \tn 
% Row Count 9 (+ 2)
% Row 7
\SetRowColor{white}
`ns/project\textasciitilde{}"Some label"` & issues with given label \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.78712 cm} x{2.18988 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Shorthand Cross-Project References}}  \tn
% Row 0
\SetRowColor{LightBackground}
`project\#123` & issue \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
`project!123` & merge request \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
`project\%123` & project milestone \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
`project\$123` & snippet \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
`project@9ba12248` & specific commit \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\seqsplit{`project@9ba12248...b19a04f5`} & commit range comparison \tn 
% Row Count 7 (+ 2)
% Row 6
\SetRowColor{LightBackground}
`project\textasciitilde{}"Some label"` & issues with given label \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{For projects from the same namespace.}  \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}{Syntax Highlighting}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{literal\}\}```clojure \newline (def xf (comp (filter odd?) (map inc))) \newline ```} \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}{Inline Diff}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{- \{+ additions +\} \newline - {[}+ additions +{]} \newline - \{- deletions -\} \newline - {[}- deletions -{]}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{With inline diffs you can display \{+ additions +\} or {[}- deletions -{]}.}  \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}{Unordered Task Lists}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{- {[}x{]} Completed task \newline - {[} {]} Incomplete task \newline     - {[} {]} Sub-task 1 \newline     - {[}x{]} Sub-task 2 \newline     - {[} {]} Sub-task 3} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{You can add task lists to issues, merge requests and comments.}  \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}{Ordered Task Lists}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{1. {[}x{]} Completed task \newline 1. {[} {]} Incomplete task \newline     1. {[} {]} Sub-task 1 \newline     1. {[}x{]} Sub-task 2} \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}{Videos}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{!{[}Sample Video{]}(img/markdown\_video.mp4)} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Image tags with a video extension are automatically converted to a video player. \newline  \newline The valid video extensions are .mp4, .m4v, .mov, .webm, and .ogv.}  \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}{Math with KaTeX}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{literal\}\}This math is inline \$`a\textasciicircum{}2+b\textasciicircum{}2=c\textasciicircum{}2`\$. \newline  \newline This is on a separate line \newline ```math \newline a\textasciicircum{}2+b\textasciicircum{}2=c\textasciicircum{}2 \newline ```} \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}{Diagrams \& Flowcharts}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{literal\}\}```mermaid \newline graph TD; \newline   A-{}-\textgreater{}B; \newline   A-{}-\textgreater{}C; \newline   B-{}-\textgreater{}D; \newline   C-{}-\textgreater{}D; \newline ```} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Refer to the Mermaid Cheat Sheet.}  \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}{Headers}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\# H1 \newline \#\# H2 \newline \#\#\# H3 \newline \#\#\#\# H4 \newline \#\#\#\#\# H5 \newline \#\#\#\#\#\# H6 \newline  \newline Alternatively, for H1 and H2, an underline-ish style: \newline  \newline Alt-H1 \newline ====== \newline  \newline Alt-H2 \newline -{}-{}-{}-{}-{}-} \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}{Header IDs \& Links}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{All headers automatically get IDs, except in comments. \newline % Row Count 2 (+ 2)
IDs are generated from header content as follows: \newline % Row Count 3 (+ 1)
1. All text is converted to lowercase \newline % Row Count 4 (+ 1)
2. All non-word text is removed \newline % Row Count 5 (+ 1)
3. All spaces are converted to hyphens \newline % Row Count 6 (+ 1)
4. Two or more hyphens in a row are converted to one \newline % Row Count 8 (+ 2)
5. Emojis are removed \newline % Row Count 9 (+ 1)
6. Duplicate headers have a unique incrementing number appended.% Row Count 11 (+ 2)
} \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}{Emphasis}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{literal\}\}Emphasis, aka italics, with {\emph{asterisks}} or \_underscores\_. \newline  \newline Strong emphasis, aka bold, with {\bf{asterisks}} or \_\_underscores\_\_. \newline  \newline Combined emphasis with {\bf{asterisks and \_underscores\_}}. \newline  \newline Strikethrough uses two tildes. \textasciitilde{}\textasciitilde{}Scratch this.\textasciitilde{}\textasciitilde{}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}