\documentclass[20pt, xcolor={usenames,dvipsnames}]{beamer} \usepackage{alltt} \usepackage{color} \usepackage{graphicx} \hypersetup{ pdftitle={Compiling code and using MPI}, pdfauthor={http://scitas.epfl.ch}, colorlinks=true, urlcolor=blue } \beamertemplatenavigationsymbolsempty \setbeamercolor{title}{fg=black} \setbeamercolor{author}{fg=darkgray} \title{Compiling code and using MPI} \author{\tt scitas.epfl.ch} \date{} \defbeamertemplate{itemize item}{hollow circle}{$\circ$} \setbeamertemplate{itemize item}[hollow circle] \setbeamercolor{itemize item}{fg=gray} \begin{document} \input{document} \end{document}