\documentclass{article}
\input{packages}
\title{Short Paper - Template}
\author{Author}
\date{\today}
\begin{document}
\twocolumn
%------------------------------------------
% Title
%------------------------------------------
[{
\LARGE
\textcolor{titleColor}{\textbf{Insert your title here.}}\vspace{1ex}\\
%------------------------------------------
% Authors
%------------------------------------------
\large
\textcolor{authorColor}{Insert Authors here}
\vspace{1ex}
%------------------------------------------
% Abstract
%------------------------------------------
\normalsize
\begin{tcolorbox}[ colback = abstractColor,
,
width=\linewidth,
arc=1mm, auto outer arc,
]
\justifying
\input{Sections/0_Abstract}
\end{tcolorbox}
\vspace{1.5ex}
}]
%------------------------------------------
% Main Matter
%------------------------------------------
\input{Sections/1_Introduction}
\input{Sections/2_Methods}
\input{Sections/3_Results}
\input{Sections/4_Conclusion}
\input{Sections/5_Future_Works}
\newpage
\onecolumn
\input{Sections/references}
\begin{appendices}
\input{Sections/Appendices}
\end{appendices}
\end{document}
