% Written by Bibby AI
\documentclass{article}
\usepackage{tikz}
\usepackage{graphicx}
\usepackage[margin=1in]{geometry}
\pagestyle{empty}
\begin{document}
%Insert background on first page
\tikz[remember picture,overlay] \node[opacity=1,inner sep=0pt] at (current page.center){\includegraphics[width=\paperwidth,height=\paperheight]{img/header.png}};
%INSERT CONTENT HERE
% Written by Bibby AI
\end{document}