\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{abarrier}
\pdfinfo{
  /Title (markdown.pdf)
  /Creator (Cheatography)
  /Author (abarrier)
  /Subject (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}{D4D68D}
\definecolor{LightBackground}{HTML}{F9F9F0}
\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{Markdown Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{abarrier} via \textcolor{DarkBackground}{\uline{cheatography.com/189169/cs/39452/}}}
\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}abarrier \\
  \uline{cheatography.com/abarrier} \\
  \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 22nd July, 2023.\\
   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*}{2}

\begin{tabularx}{8.4cm}{x{3.116 cm} x{2.508 cm} x{1.976 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Headings}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{bb=2\}\}{\bf{Description}} & \{\{bb=2\}\}{\bf{Markdown}} & \{\{bb=2\}\}{\bf{HTML}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Heading level \{\{counter\}\} & \# Heading & \textless{}h1\textgreater{}Heading\textless{}/h1\textgreater{} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Heading level \{\{counter\}\} & \#\# Heading & \textless{}h2\textgreater{}Heading\textless{}/h2\textgreater{} \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Heading level \{\{counter\}\} & \#\#\# Heading & \textless{}h3\textgreater{}Heading\textless{}/h3\textgreater{} \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{8.4cm}}{{\bf{Best practice:}} \newline - Place a space character between the last '\#' and the heading name. \newline - There are 6 maximum level.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.672 cm} x{2.964 cm} x{2.964 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Paragraph}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{bb=2\}\}{\bf{Description}} & \{\{bb=2\}\}{\bf{Markdown}} & \{\{bb=2\}\}{\bf{HTML}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
One line \seqsplit{paragraph} & Line & \textless{}p\textgreater{}Line\textless{}/p\textgreater{} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Two lines \seqsplit{paragraph} & \{\{rowspan=2\}\}First line\{\{nl\}\}Second line & \{\{rowspan=2\}\}\textless{}p\textgreater{}First line\textless{}br\textgreater{}\{\{nl\}\}Second line\textless{}/p\textgreater{} \tn 
% Row Count 10 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{8.4cm}}{{\bf{Best practice:}} \newline - Add two space characters at the end of the paragraph to get a line break. Or mix it with HTML syntax \newline  \newline {\emph{Example:}} \newline The line break is represented by '\textasciitilde{}\textasciitilde{}' but must be two space characters. \newline `Paragraph with line break\textasciitilde{}\textasciitilde{}` \newline `Otherwise it will be written as one line paragraph` \newline `Or use the break balise of HTML\textless{}br\textgreater{}` \newline `To get a line break`}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.128 cm} x{1.9 cm} x{3.572 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Text style}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{bb=2\}\}{\bf{Description}} & \{\{bb=2\}\}{\bf{Markdown}} & \{\{bb=2\}\}{\bf{HTML}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{rowspan=2\}\}Italic & \{\{literal\}\}\_text\_ & \{\{rowspan=2\}\}\textless{}em\textgreater{}text\textless{}/em\textgreater{} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & \{\{literal\}\}{\emph{text}} &  \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\{\{rowspan=2\}\}Bold & \{\{literal\}\}\_\_text\_\_ & \{\{rowspan=2\}\}\textless{}strong\textgreater{}text\textless{}/strong\textgreater{} \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
 & \{\{literal\}\}{\bf{text}} &  \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
\{\{rowspan=4\}\}Bold Italic & \{\{literal\}\}{\bf{{\emph{text}}}} & \{\{rowspan=4\}\}\textless{}strong\textgreater{}\textless{}em\textgreater{}text\textless{}/em\textgreater{}\textless{}/strong\textgreater{} \tn 
% Row Count 14 (+ 3)
% Row 6
\SetRowColor{LightBackground}
 & \{\{literal\}\}\_\_\_text\_\_\_ &  \tn 
% Row Count 17 (+ 3)
% Row 7
\SetRowColor{white}
 & \{\{literal\}\}{\bf{\_text\_}} &  \tn 
% Row Count 20 (+ 3)
% Row 8
\SetRowColor{LightBackground}
 & \{\{literal\}\}\_\_{\emph{text}}\_\_ &  \tn 
% Row Count 23 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{8.4cm}}{{\bf{Best practice:}} \newline - Use '*' instead of '\_'}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.964 cm} x{2.584 cm} x{2.052 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Lists}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{bb=2\}\}{\bf{Description}} & \{\{bb=2\}\}{\bf{Markdown}} & \{\{bb=2\}\}{\bf{HTML}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Ordered list & 1. Item &  \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
 & 1) Item &  \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Unordered list & - Item &  \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & * Item &  \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{8.4cm}}{{\bf{Best practices:}} \newline - Use '1.' instead of '1)' \newline - Use '-' instead of '*'}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Example}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\# Cheatography "Markdown" \newline % Row Count 1 (+ 1)
\#\# Content \newline % Row Count 2 (+ 1)
- {[}History{]}(\#history) \newline % Row Count 3 (+ 1)
- {[}Introduction{]}(\#introduction) \newline % Row Count 4 (+ 1)
\#\# History \newline % Row Count 5 (+ 1)
|Date({\emph{YY-MM-DD}})|Description| \newline % Row Count 6 (+ 1)
|:-:|:-| \newline % Row Count 7 (+ 1)
|23-07-22|Init| \newline % Row Count 8 (+ 1)
\#\# Introduction \newline % Row Count 9 (+ 1)
Welcome to the {\bf{Cheatography}} dedicated to {\bf{Markdown}} file.\textless{}br\textgreater{} \newline % Row Count 11 (+ 2)
-{}-{}- \newline % Row Count 12 (+ 1)
Made by {\bf{{\emph{abarrier}}}}.% Row Count 13 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Notes}} \newline The content is already in the {\bf{Markdown}} format. \newline Then you can copy-paste it into a `.md` file and/or use a preview of your choice: \newline - GitHub \newline - VSCode by using the command `CTRL + SHIFT + V`. \newline - \{\{link="https://markdownlivepreview.com/"\}\}Markdown Live Preview\{\{/link\}\} \newline - Etc.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}