\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{Gregor Lüdi (Siniansung)}
\pdfinfo{
  /Title (websites-grundlagen.pdf)
  /Creator (Cheatography)
  /Author (Gregor Lüdi (Siniansung))
  /Subject (Websites Grundlagen 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}{149644}
\definecolor{LightBackground}{HTML}{F0F8F3}
\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{Websites Grundlagen Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Gregor Lüdi (Siniansung)} via \textcolor{DarkBackground}{\uline{cheatography.com/20378/cs/39272/}}}
\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}Gregor Lüdi (Siniansung) \\
  \uline{cheatography.com/siniansung} \\
        \uline{\seqsplit{www}.ken.ch/\%7elueg}
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 3rd July, 2023.\\
   Updated 3rd 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}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{HTML}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{html-Tags}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{\textless{}html\textgreater{}   \textless{}/html\textgreater{}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textless{}head\textgreater{}  \textless{}/head\textgreater{} & Informationen über die Website, Links tu externen Dokumenten \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\textless{}body\textgreater{}    \textless{}/body\textgreater{} & Inhalt der Website \tn 
% Row Count 6 (+ 1)
% Row 3
\SetRowColor{white}
\textless{}h1\textgreater{}Überschrift \textless{}/h1\textgreater{} \{\{nl\}\}\textless{}h2\textgreater{}Überschrift2\textless{}/h2\textgreater{} & Überschriften \tn 
% Row Count 9 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\textless{}p\textgreater{} Paragraph \textless{}/p\textgreater{} & Absatz \tn 
% Row Count 10 (+ 1)
% Row 5
\SetRowColor{white}
\textless{}br\textgreater{} & break, Zeilenumbruch \tn 
% Row Count 11 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textless{}pre\textgreater{}  \textless{}/pre\textgreater{} & vorformattierter Text \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
\textless{}code\textgreater{}  \textless{}/code\textgreater{} & Programmcode ausgeben \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\textless{}b\textgreater{}  \textless{}/b\textgreater{} & fett-gedruckter Text \tn 
% Row Count 16 (+ 1)
% Row 9
\SetRowColor{white}
\textless{}i\textgreater{}  \textless{}/i\textgreater{} & kursiv gedruckter Text \tn 
% Row Count 18 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Bildtags}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{\textless{}img src="url\_des\_bildes"  alt="Alternativtext" title="Hovertext" /\textgreater{}} \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{src: Speicheradresse des Bildes \newline alt: Text der anstelle des Bildes dargestellt wird \newline title: Text der angezeigt wird, wenn man mit der Maus über dem Bild wartet}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Links}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{\textless{}a href="zieladresse" target="\_blank" \textgreater{} sichtbarer Link   \textless{}/a\textgreater{}} \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{href: Zieladresse  \newline target: gibt an, wo die neue Seite ge{\"o}ffnet wird: \newline     \_blank: neues Fenster, \_self: im gleichen Fenster/Tab}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2 cm} x{6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Listen}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textless{}ol\textgreater{} \textless{}/ol\textgreater{} & geordnete Liste (Nummerierung) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textless{}ul\textgreater{}\textless{}/ul\textgreater{} & ungeordnete Liste (Auflistung) \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textless{}li\textgreater{} \textless{}/li\textgreater{} & Listeneintrag \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{\_}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{CascadingStyleSheet}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.4 cm} x{3.6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Einbinden von CSS}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textless{}link rel="stylesheet" href="mystyle.css"\textgreater{} & externe CSS-Datei \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\textless{}style\textgreater{}\{\{nl\}\} body \{color: green;\}  \{\{nl\}\}\textless{}/style\textgreater{} & interne CSS-Anweisungen (head) \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\textless{}h1 style="color:green;"\textgreater{} heading \textless{}/h1\textgreater{} & inline Styleanweisung im html-Tag \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{externe CSS-Dateien müssen im Header angegeben werden.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.08 cm} x{5.92 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{CSS-Attribute (Text)}}  \tn
% Row 0
\SetRowColor{LightBackground}
font-size & Schriftgr{\"o}sse in Pixel px oder em \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{font-family} & Schriftfamilien als Liste von Schriften \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{font-weight} & normal, bold, bolder, lighter \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{text-style} & italic (kursiv), normal \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{text-transform} & capitalize, uppercase, lowercase, none \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{text-align} & horizontale Ausrichtung: left, center, right, justify \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.24 cm} x{3.76 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Kommentare}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textless{}!-{}-  Kommentartext  \{\{nl\}\} -{}-\textgreater{} & html-Kommentar, mehrzeilig \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
/* Kommentartext \{\{nl\}\}  */ & css-Kommentar, mehrzeilig \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
// Kommentartext & css, js-Kommentar, einzeilig \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.8 cm} x{3.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Klassen}}  \tn
% Row 0
\SetRowColor{LightBackground}
.classname \{`css-code `\} & Deklaration der Klasse \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\textless{}tag class="classname"\textgreater{}   \textless{}/tag\textgreater{} & Zuweisung einer Klasse \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\textless{}tag class="class1 class2"\textgreater{}   \textless{}/tag\textgreater{} & Zuweisung zweier Klassen \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Klassen werden benutzt, wenn man mehrere Elemente mit der gleichen Formatierung zusammenfassen m{\"o}chte.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4.72 cm} x{3.28 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{ID-Selektor}}  \tn
% Row 0
\SetRowColor{LightBackground}
\#idname \{`css-code `\} & Deklaration der ID \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\textless{}tag id="idname"\textgreater{}   \textless{}/tag\textgreater{} & Zuweisung einer ID \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{ID's werden benutzt um einzelne Elemente die nur einmal auf der Seite vorkommen dürfen hervorzuheben. Die ID's benutzt man auch um mit Javascript auf diese Elemente zugreifen zu k{\"o}nnen.}  \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}{Grundstruktur}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/siniansung_1688383490_siniansung_1688026051_html_grundstruktur.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}