\documentclass[a4paper,11pt]{article}


\usepackage[margin=0.5in]{geometry}
\usepackage[colorlinks=true]{hyperref}
\usepackage{longtable}
\usepackage{booktabs}

\usepackage{enumitem}
\setlist[itemize]{leftmargin=16pt,itemsep=-6pt}

\usepackage{parskip}
\setlength{\parindent}{0em}
\setlength{\parskip}{0.5em}
\setcounter{secnumdepth}{-1}

\def\tightlist{}
\usepackage{ulem}
\normalem 

\usepackage{titlesec}
\titleformat{\section}{
  \vspace{-5pt}\scshape\raggedright\large
}{}{0em}{}[\vspace{-5pt}]

\titleformat{\subsection}{
  \vspace{-2pt}\raggedright\normalsize\bfseries
}{}{0em}{}[\vspace{-5pt}]

\titlespacing{\subsection}{0pt}{8pt}{5pt}

\let\OldRule\rule
\renewcommand{\rule}[2]{\OldRule{\linewidth}{#2}}

\setlength{\LTleft}{0pt}
\setlength{\LTpre}{3pt}
\setlength{\LTpost}{0pt}

\usepackage{relsize}

\begin{document}
$body$
\end{document}