\PassOptionsToPackage{unicode$for(hyperrefoptions)$,$hyperrefoptions$$endfor$}{hyperref}

\documentclass[a4paper,12pt]{article}

\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage{authblk}
\usepackage{graphicx}
\usepackage{mathptmx}
\usepackage[singlespacing]{setspace}
\usepackage[headheight=1in,margin=1in]{geometry}
\usepackage{fancyhdr}
\usepackage{lipsum}

\usepackage[nolists,noheads,nomarkers]{endfloat}
\usepackage{hyperref}

%
\usepackage{siunitx}

\renewcommand{\headrulewidth}{0pt}
\setlength{\parindent}{0pt}
\pagestyle{fancy}

\makeatletter
\def\@maketitle{%
  \newpage

  \begin{center}%
  \let \footnote \thanks
    {\LARGE \@title \par}%
  \end{center}%
  \par
  \vskip 0.1em}
\makeatother

\fancyhf{} % clear all header and footer fields
\lhead{} % left header
\rhead{} % right header
\lfoot{} % left footer
\chead{%
  10$$^{th}$$ International Conference on Computational Social Science IC$$^{2}$$S$$^{2}$$\\
  July 17-20, 2024, Philadelphia, USA%
}

$if(mainfont)$
\ifPDFTeX
\else
\babelfont{rm}[$for(mainfontoptions)$$mainfontoptions$$sep$,$endfor$]{$mainfont$}
\fi
$endif$

$pandoc.tex()$

% Set up bibliography
$if(biblio-config)$
$if(natbib)$
\usepackage[$natbiboptions$]{natbib}
\bibliographystyle{$if(biblio-style)$$biblio-style$$else$plainnat$endif$}
$endif$
$if(biblatex)$
\usepackage[$if(biblio-style)$style=$biblio-style$,$endif$$for(biblatexoptions)$$biblatexoptions$$sep$,$endfor$]{biblatex}
$for(bibliography)$
\addbibresource{$bibliography$}
$endfor$
$endif$
$endif$
$if(nocite-ids)$
\nocite{$for(nocite-ids)$$it$$sep$, $endfor$}
$endif$

\title{$title$}

\date{}

\begin{document}
$title.tex()$

\begin{center}
\textit{Keywords: social media, decentralized online social networks, social network analysis, recommender systems, collaborative filtering}
\newline
\end{center}

$before-body.tex()$

$body$

$before-bib.tex()$

$biblio.tex()$
\end{document}