packages.tex

\documentclass[letterpaper, 11pt]{article}
\usepackage[empty]{fullpage}
\usepackage{titlesec}
\usepackage{mwe}
\usepackage{latexsym}
\usepackage{marvosym}
\usepackage[usenames, dvipsnames]{color}
\usepackage{verbatim}
\usepackage{enumitem}
\usepackage{ragged2e}
\usepackage{xifthen}
\usepackage{xcolor}
\usepackage[pdftex]{hyperref}
\usepackage{fancyhdr}
\usepackage[overload]{textcase}
\usepackage[scaled]{helvet}
% \usepackage[sfdefault]{roboto}
% \renewcommand\familydefault{\sfdefault}
\usepackage[T1]{fontenc}
\usepackage{makecell}
\usepackage{tabularx}
\usepackage[country=US]{phonenumbers}

\pagestyle{fancy}
\fancyhf{}
\fancyfoot{}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}

\makeatletter
\renewcommand\section{\@startsection {section}{1}{\z@}%
    {5pt}%
    {0.5pt}%
    {\normalfont\Large\bfseries\headingbox}}
\def\@seccntformat#1{} % no section numbers
\makeatother

\newcommand*{\headingbox}[1]{%
    \noindent\colorbox{resBlue}{%
        \parbox[c][5mm]{\dimexpr\columnwidth-2\fboxsep\relax}{%
        \textcolor{white}{#1}}}}


\addtolength{\oddsidemargin}{-0.37in}
\addtolength{\evensidemargin}{-0.37in}
\addtolength{\textwidth}{1in}
\addtolength{\topmargin}{-.5in}
\addtolength{\textheight}{1.0in}

\urlstyle{same}

\raggedbottom
\raggedright
\setlength{\tabcolsep}{0in}

\titleformat{\section}{
    \vspace{-3pt}\titlerule\raggedright\LARGE\bfseries
}{}{0em}{}[\color{black}]

\definecolor{resBlue}{HTML}{418AB3}
\definecolor{resGray}{HTML}{333333}