latexpdf: add section styling

JIRA: CI-526

Author: adamdebek

_static/latex/preamble.tex

@@ -22,6 +22,26 @@
 \titleformat{\paragraph}{\bfseries\color{darkblue}}{\theparagraph}{1em}{}
 \titleformat{\subparagraph}{\bfseries\color{darkblue}}{\thesubparagraph}{1em}{}
 
+% Section title styling
+\makeatletter
+\def\@makesectionhead#1{%
+    {\parindent \z@
+    \interlinepenalty\@M
+    \noindent\textcolor{orange}{\rule{\textwidth}{2pt}}
+    \par\vspace{0.5em}
+    {\bfseries\Large\itshape#1}
+    \noindent\textcolor{orange}{\rule{\textwidth}{2pt}}
+}}
+\renewcommand{\section}{\@startsection{section}{1}{\z@}%
+{-3.5ex \@plus -1ex \@minus -.2ex}%
+{2.3ex \@plus.2ex}%
+{\@makesectionhead}}
+\makeatother
+% Add dot to the section title only
+\renewcommand{\thesection}{\arabic{section}.\hspace{-0.5em}}
+\renewcommand{\thesubsection}{\arabic{section}.\arabic{subsection}}
+\renewcommand{\thesubsubsection}{\arabic{section}.\arabic{subsection}.\arabic{subsubsection}}
+
 % Make chapters start on new pages
 \newcommand{\sectionbreak}{\clearpage}