header.tex

\documentclass[a4paper, hidelinks]{article}

\usepackage[T1]{fontenc}
\usepackage[scaled]{helvet}
\usepackage{amsmath}
\usepackage{booktabs}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage{pdflscape}
\usepackage{framed}
\usepackage{xhfill}
\usepackage{tabu}
\usepackage{multirow}
\usepackage{pdfpages}
\usepackage[labelfont=bf]{caption} 
\usepackage[margin=2.5cm]{geometry}
\usepackage[nottoc]{tocbibind}
\usepackage[mathletters]{ucs}
\usepackage[utf8x]{inputenc}
\usepackage[breaklinks=true,unicode=true]{hyperref}
\usepackage[compact]{titlesec}
\usepackage{cleveref}

\renewcommand*\familydefault{\sfdefault}

\setlength{\parindent}{0pt}
\setlength{\parskip}{6pt plus 2pt minus 1pt}
\setcounter{secnumdepth}{2}
\setcounter{tocdepth}{1}

\providecommand{\tightlist}{%
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}

%% Pad tables out a bit
\renewcommand{\arraystretch}{1.25}

\pagestyle{fancy}
\rhead{}
\chead{}
\lhead{}