main.tex

\documentclass[12pt]{article}

\usepackage[utf8]{inputenc}

\usepackage{hyperref}
\usepackage{mathptmx}

% Left and right margins are 0.5 inches
% Top and bottom margins are 0.5 inches
\usepackage[paperwidth = 8.5in, paperheight = 11in, left = 0.42in, right = 0.42in, top = 0.5in, bottom = 0.5in]{geometry}

\renewcommand{\labelitemi}{-}

\newenvironment{resume_subsection}[1]{
	\begin{list}{}{
		\setlength{\itemsep}{0in}
			\setlength{\labelsep}{0in}
			\setlength{\labelwidth}{0in}
			\setlength{\leftmargin}{0.4in}
			\setlength{\rightmargin}{0.4in}
			\setlength{\listparindent}{0in}
			\setlength{\parsep}{0in}
			\setlength{\parskip}{0in}
			\setlength{\partopsep}{0in}
			\setlength{\topsep}{#1}
		}
	\item[]
}{\end{list}}

\newenvironment{resume_section}[1]
	% Begin
	{
		\textsc{\large{#1}}
		
		\vspace*{-0.1in}
		
		\hrulefill
		
		\vspace*{-0.2in}
		
		\bigskip
		
		\normalsize
		
		\begin{resume_subsection}{0.05in}
	}
	% End
	{
		\end{resume_subsection}
	}

\begin{document}
    \begin{titlepage}
    \end{titlepage}

	\begin{center}
		\textsc{\Huge{Jiakang Chen}}
	\end{center}

	\normalsize

	\begin{center}
		\texttt{jiakangchen005@gmail.com} \hspace{1in} \texttt{(786)-660-8815} \hspace{1.5in} \texttt{Weston, Florida}
	\end{center}
	
	\input{./resume}

\end{document}