\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{kathylikitty}
\pdfinfo{
  /Title (cpsc-1030-midterm.pdf)
  /Creator (Cheatography)
  /Author (kathylikitty)
  /Subject (CPSC 1030 Midterm 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}{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{CPSC 1030 Midterm Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{kathylikitty} via \textcolor{DarkBackground}{\uline{cheatography.com/63032/cs/16097/}}}
\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}kathylikitty \\
  \uline{cheatography.com/kathylikitty} \\
  \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 14th June, 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}{Anchor}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\textless{}a href="\_\_\_\_"\textgreater{} \textless{}/a\textgreater{}} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Image}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\textless{}img src="\_\_\_\_" alt="\_\_\_\_"\textgreater{}} \tn 
% Row Count 1 (+ 1)
\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 List}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{}ul type="\_\_\_\_"\textgreater{} \newline % Row Count 1 (+ 1)
\textless{}li\textgreater{} \textless{}/li\textgreater{} \newline % Row Count 2 (+ 1)
\textless{}/ul\textgreater{}% Row Count 3 (+ 1)
} \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 List}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{}ol type="\_\_\_\_"\textgreater{} \newline % Row Count 1 (+ 1)
\textless{}li\textgreater{} \textless{}/li\textgreater{} \newline % Row Count 2 (+ 1)
\textless{}/ol\textgreater{}% Row Count 3 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Description List}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textless{}dl\textgreater{} \textless{}/dl\textgreater{} & Contains the description list \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textless{}dt\textgreater{} \textless{}/dt\textgreater{} & Contains a defined term \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textless{}dd\textgreater{} \textless{}/dd\textgreater{} & Contain a data definition \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.64241 cm} x{3.33459 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Table}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textless{}table\textgreater{} \textless{}/table\textgreater{} & Contains the table \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\textless{}tr\textgreater{} \textless{}/tr\textgreater{} & Contains a table row \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textless{}td\textgreater{} \textless{}/td\textgreater{} & Contains a table data (cell) \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\textless{}caption\textgreater{} \textless{}/caption\textgreater{} & Configures a description of the table \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\textless{}th\textgreater{} \textless{}/th\textgreater{} & Configure Column and Row Headings (centered and bold) \tn 
% Row Count 10 (+ 3)
% Row 5
\SetRowColor{white}
colspan Attribute & Specifies the number of columns that a cell will occupy \tn 
% Row Count 13 (+ 3)
% Row 6
\SetRowColor{LightBackground}
rowspan Attribute & Specifies the number of rows that a cell will occupy \tn 
% Row Count 15 (+ 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}{Navigation}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\textless{}nav\textgreater{} \textless{}/nav\textgreater{}} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{1.9908 cm} x{2.9862 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Special Characters}}  \tn
% Row 0
\SetRowColor{LightBackground}
\< & \textless{} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\> & \textgreater{} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\& & \& \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\" & " \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\© & Copyright \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Dithering}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Used to enhance images with low color depth and a limited color palate} \tn 
% Row Count 2 (+ 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}{Alpha Channel}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{For RGB images, a fourth channel is added representing the degree of transparency (opacity) of the pixel} \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Lossy Compression}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Lossy compression means that some data from the original image is lost. Once you have compressed an image this way, you can't go back} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Used for video, sound and images where a certain amount of information loss will not be detected} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Using JPEG} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Lossless Compression}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Decompressed image is identical to the original image} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Works well for simple graphic illustrations} \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Works poorly for photographic images} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Indexed Color}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Technique to manage images' colors in a limited fashion in order to save file storage capacity} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Color is not directly defined by the image pixel, but is stored in a separate piece of data called a palette} \tn 
% Row Count 5 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Color Depth}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Number of colors which image can represent} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Raster Image}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Is a way to represent digital images} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Also called a bitmap} \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Relative Link}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Link to pages on your own site} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Absolute Link}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Link to other web sites, usually with a URL} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{CSS Properties}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{background-color} & valid color \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
color & valid color \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{font-family} & valid font or font family \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{family-size} & numeric value with pt or px or the unit em \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
font-style & normal, italic, or oblique \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\seqsplit{font-weight} & text values normal, bold, bolder, and lighter \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{letter-spacing} & a numeric value or normal \tn 
% Row Count 11 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{line-height} & percentage \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
margin & numeric value \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
\seqsplit{margin-left} & numeric value, auto, or 0 \tn 
% Row Count 14 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\seqsplit{margin-right} & numeric value, auto, or 0 \tn 
% Row Count 16 (+ 2)
% Row 11
\SetRowColor{white}
text-align & center, justify, left, or right \tn 
% Row Count 18 (+ 2)
% Row 12
\SetRowColor{LightBackground}
\seqsplit{text-decoration} & value "none" will not underline \tn 
% Row Count 20 (+ 2)
% Row 13
\SetRowColor{white}
\seqsplit{text-indent} & numeric value or percentage \tn 
% Row Count 21 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\seqsplit{text-shadow} & 2 to 4 numerical values to indicate a horizontal offset, vertical offset, blur radius, and spread distance, and a valid color value \tn 
% Row Count 26 (+ 5)
% Row 15
\SetRowColor{white}
\seqsplit{text-transform} & none, capitalize, uppercase, lowercase \tn 
% Row Count 28 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\seqsplit{white-space} & normal, nowrap, pre, pre-line, pre-wrap \tn 
% Row Count 30 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{CSS Properties (cont)}}  \tn
% Row 17
\SetRowColor{LightBackground}
width & numeric value, numeric percentage, or auto \tn 
% Row Count 2 (+ 2)
% Row 18
\SetRowColor{white}
\seqsplit{word-spacing} & numeric value or normal \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Ways to Apply CSS}}  \tn
% Row 0
\SetRowColor{LightBackground}
Inline & In the web page body \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.84609 cm} x{4.13091 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Ways to Apply CSS}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Inline} & In the web page body. Use the style attribute of an HTML tag. Applies only to the specific element enclosed \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\seqsplit{Embedded} & In the web page head section. Uses \textless{}style\textgreater{} \textless{}/style\textgreater{}. Applies style to the entire web page. Used to style a single web page \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{External} & A separate text file \tn 
% Row Count 10 (+ 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}{Link CSS}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{}link rel="stylesheet" type="text/css" href="\_\_\_\_"\textgreater{}% Row Count 2 (+ 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}{Class Selector}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Use a class selector when you need to apply a CSS rule to certain elements} \tn 
% Row Count 2 (+ 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}{id Selector}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Used to select one unique element} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{To select an element with a specific id, write a has (\#) character, followed by the id of the element} \tn 
% Row Count 4 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Descendant Selector}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Targets elements that are contained within another elements} \tn 
% Row Count 2 (+ 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}{div Element}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Allows you to group a set of elements together in block-level box} \tn 
% Row Count 2 (+ 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}{span Element}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Is in-line and usually used for a small chuck of HTML inside a line} \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}