\documentclass[30pt,portrait,margin=0.1in,innermargin=-7.6in,blockverticalspace=0.4in, colspace=-1.6in, subcolspace=-2.75in]{tikzposter}
\geometry{paperwidth=48in,paperheight=36in}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amsthm}
\usepackage{amssymb}
\usepackage{mathrsfs}
\usepackage{graphicx}
\usepackage{adjustbox}
\usepackage{enumitem}
\usepackage[backend=biber,style=numeric]{biblatex}
\usepackage{osu-theme}
\usepackage{caption}
\usepackage{multirow}
\usepackage{booktabs} % For formal tables
\usepackage{float}
\usepackage{adjustbox}
\usepackage{booktabs}
\usepackage{soul}
\newcommand{\surfcon}{\textsf{\textsc{SurfCon}}\xspace}
% \setlength{\parindent}{1cm} % Default is 15pt.
\usepackage{mwe} % for placeholder images
\addbibresource{refs.bib}
% set theme parameters
\tikzposterlatexaffectionproofoff
\usetheme{OSUTheme}
\usecolorstyle{OSUStyle}
\usepackage[scaled]{helvet}
\renewcommand\familydefault{\sfdefault}
\usepackage[T1]{fontenc}
\title{XXXXXXXXXX}
\author{XXX, XXX, XXX}
\institute{\textsuperscript{*}The Ohio State University}
\titlegraphic{
\includegraphics[width=0.2\textwidth]{TheOhioStateUniversity-1C-200-Vert-PANTONE.eps}
}
% begin document
\begin{document}
\maketitle
\input{main_context}
\end{document}
