styles.sty

%% Fonts and typography
\RequirePackage{lmodern}           % Latin Modern
\renewcommand{\sfdefault}{phv}     % Helvetica
\RequirePackage[scaled]{beramono}  % Bera Mono (Bitstream Vera Sans Mono)
\RequirePackage[final]{microtype}  % Improved typography
\pretolerance = 1000               % Relaxes parameters for line breaks
\tolerance    = 2000               % Relaxes parameters for line breaks

% General document styles
\pagestyle{fancy}
\fancyhf{}
\fancyhead[LE]{\leftmark}
\fancyhead[RO]{\rightmark}
\fancyfoot[LE,RO]{\thepage}

% Use this one for the online version

% \hypersetup{
%     colorlinks,
%     linkcolor={red!50!black},
%     citecolor={blue!50!black},
%     urlcolor={blue!80!black}
% }

% Use this one for the print version
\hypersetup{
    colorlinks,
    linkcolor={black},
    citecolor={black},
    urlcolor={black}
}