\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{Phil35}
\pdfinfo{
  /Title (flex-anti-seche-2018.pdf)
  /Creator (Cheatography)
  /Author (Phil35)
  /Subject (Flex Anti-sèche 2018 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
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{88499C}
\definecolor{LightBackground}{HTML}{F7F3F8}
\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{Flex Anti-sèche 2018 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Phil35} via \textcolor{DarkBackground}{\uline{cheatography.com/53795/cs/14489/}}}
\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}Phil35 \\
  \uline{cheatography.com/phil35} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 1st February, 2018.\\
   Updated 1st February, 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*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Sources}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Cette anti-sèche reprend principalement le tutoriel   \newline % Row Count 2 (+ 2)
\{\{link="https://css-tricks.com/snippets/css/a-guide-to-flexbox/"\}\}A Complete Guide to Flexbox (en)\{\{/link\}\} \newline % Row Count 5 (+ 3)
et accessoirement le tutoriel :  \newline % Row Count 6 (+ 1)
\{\{link="https://www.alsacreations.com/tuto/lire/1493-CSS3-Flexbox-Layout-module.html\#flexibilité"\}\}alsacreations : CSS3 Flexbox Layout module : flexibilité (fr)\{\{/link\}\} \newline % Row Count 10 (+ 4)
Notez le code couleurs :  \newline % Row Count 11 (+ 1)
Violet : pour les attributs du container parent (considérer comme synonimes parent et container ) \newline % Row Count 13 (+ 2)
Orange : pour les atributs des articles enfants (considérer comme synonimes items, articles, enfants) \newline % Row Count 16 (+ 3)
Lorsqu'un attribut peut prendre plusieurs valeurs, la valeur par défaut est indiquée en {\bf{{\emph{gras.}}}}% Row Count 19 (+ 3)
} \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}{Propriétés du parent (couleur violet \#88499C )}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517400056_flex-container.hd720.jpg}}} \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}{display: flex; /{\emph{ or inline-flex }}/}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{.container \{ \newline   display: flex; /* or inline-flex */ \newline \}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{déclaration obligatoire qui crée le parent flexbox}  \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}{direction principale}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517404431_flex-direction2.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.container \{` \newline `  flex-direction: {\bf{{\emph{row}}}} | row-reverse | column | column-reverse;` \newline `\} `}  \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}{flex-wrap}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517404585_flex-wrap.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.container\{` \newline `  flex-wrap: {\bf{{\emph{nowrap}}}} | wrap | wrap-reverse;` \newline `\}` \newline wrap ou wrap-reverse va définir le sens de l'{\bf{axe secondaire}} (cross axes)}  \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}{flex-flow = flex-direction + flex-wrap}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{.container\{ \newline flex-flow: \textless{}'flex-direction'\textgreater{} || \textless{}'flex-wrap'\textgreater{}` \newline  \}} \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}{justify-content (axe principal)}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517405143_justify-content-2.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.container \{` \newline `  justify-content: {\bf{{\emph{flex-start}}}} | flex-end | center | space-between | space-around | space-evenly;` \newline '\}` \newline choisir une possibilité parmi les six...}  \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}{align-items : alignement relatif à une ligne}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517405316_align-items.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.container \{` \newline `  align-items: flex-start | flex-end | center | baseline | {\bf{{\emph{stretch}}}};` \newline `\}`}  \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}{align-content: alignement entre plusieurs lignes}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517405520_align-content.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.container \{` \newline `  align-content: flex-start | flex-end | center | space-between | space-around | {\bf{{\emph{stretch}}}} ;` \newline `\}`}  \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}{Propriétés des enfants (couleur orange \#E77F24 )}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517400165_flex-items.hd720.jpg}}} \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}{item : align-self ( individuels / items)}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517406158_align-self.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.item \{` \newline `  align-self: auto | flex-start | flex-end | center | baseline | stretch; ` \newline `\}` \newline Permet de surcharger pour des articles les règles générales définies au niveau container-parent.}  \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}{order: modifier l'ordre.}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517406367_order-2.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`.item \{` \newline `  order: \textless{}integer\textgreater{}; /{\emph{ default is 0 }}/` \newline `\}` \newline Tous les items ayant le même niveau order sont affichés dans l'ordre d'aparition.}  \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}{flex: raccourci grow + shrink + basis}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{La propriété flex est un raccourci de trois propriétés, qui s'appliquent aux "flex-items" et dont les fonctionnalités sont: \newline % Row Count 3 (+ 3)
   {\bf{flex-grow}} : capacité pour un élément à s'étirer dans l'espace restant (0 ou n) \newline % Row Count 5 (+ 2)
    {\bf{flex-shrink}} : capacité pour un élément à se contracter si nécessaire (0 ou 1) \newline % Row Count 7 (+ 2)
    {\bf{flex-basis}} : taille initiale de l'élément avant que l'espace restant ne soit distribué ( \textless{}length\textgreater{} ou "auto" ) \newline % Row Count 10 (+ 3)
`.item \{` \newline % Row Count 11 (+ 1)
`  flex: none` \newline % Row Count 12 (+ 1)
`  flex:\textless{}'flex-grow'\textgreater{} \textless{}'flex-shrink'\textgreater{} \textless{}'flex-basis'\textgreater{} ` \newline % Row Count 14 (+ 2)
`  flex:\textless{}'flex-grow'\textgreater{}` \newline % Row Count 15 (+ 1)
`\}` \newline % Row Count 16 (+ 1)
Par défaut, les valeurs de ces propriétés sont :  \newline % Row Count 18 (+ 2)
{\bf{flex-grow: 0, flex-shrink: 1 et flex-basis: auto}} \newline % Row Count 20 (+ 2)
En clair, les flex-items n'occupent initialement que la taille minimale de leur contenu. \newline % Row Count 22 (+ 2)
Pour rendre {\bf{un}} élément flexible, il suffit de lui attribuer une valeur de flex-grow (ou flex en raccourci) supérieure à zéro. \newline % Row Count 25 (+ 3)
Cet élément absorbera alors l'espace restant au sein de son conteneur. \newline % Row Count 27 (+ 2)
{\bf{Plusieurs éléments}} peuvent être rendus flexibles et se répartir l'espace restant. L'espace disponible est alors tout simplement distribué entre les éléments flexibles (proportionnellement à leur coefficient flex-grow ) \newline % Row Count 32 (+ 5)
} \tn 
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{flex: raccourci grow + shrink + basis (cont)}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{\{\{link="https://www.alsacreations.com/tuto/lire/1493-CSS3-Flexbox-Layout-module.html\#flexibilité"\}\}www.alsacreations.com/tuto/lire/1493-CSS3-Flexbox-Layout-module.html\{\{/link\}\}% Row Count 4 (+ 4)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{il est recommandé d'utiliser ce raccourci plutôt que les valeurs séparément.}  \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}{flex-grow: répartition de l'espace}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517406672_flex-grow.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{`item \{` \newline `  flex-grow: \textless{}number\textgreater{}; /{\emph{ default 0 }}/` \newline `\}` \newline La place est répartie proportionnellement aux coefficients attribués. \newline Pour un effet parfait, il faut avoir assez de place vide avant redistribution.}  \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}{Utiliser la propriété margin:auto pour centrer}}  \tn
\SetRowColor{LightBackground}
\mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/phil35_1517478903_center.hd720.jpg}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Il est possible de positionner un élément en bas de son conteneur à l'aide d'un : \newline {\bf{margin-top: auto}},  \newline ou mieux : centrer à la fois horizontalement et verticalement via un simple : \newline {\bf{margin: auto}}. \newline  \newline ` /* paragraphe centré horizontalement et verticalement */` \newline `.container \{` \newline `	display: flex;` \newline `\}` \newline `.container \textgreater{} p \{` \newline `	margin: auto;` \newline `\}`}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}