\mode<presentation>
%
\setbeamercolor{structure}{fg=black}
\setbeamercolor*{normal text}{fg=black,bg=white}
\setbeamercolor{link in foot}{fg=yellow}

\setbeamercolor{itemize item}{parent=item,fg=red,bg=red}
\setbeamercolor{itemize subitem}{parent=subitem,fg=red,bg=red}
\setbeamercolor{itemize subsubitem}{parent=subsubitem,fg=red,bg=red}
%
\setbeamercolor{block title}{fg=white,bg=red}
\setbeamercolor{block title alerted}{use=alerted text,fg=white,bg=alerted text.fg!75!bg}
\setbeamercolor{block title example}{use=example text,fg=white,bg=red!75!bg}

\setbeamercolor{block body}{parent=normal text,use=block title,bg=block title.bg!25!bg}
\setbeamercolor{block body alerted}{parent=normal text,use=block title alerted,bg=block title alerted.bg!25!bg}
\setbeamercolor{block body example}{parent=normal text,use=block title example,bg=block title example.bg!25!bg}

\hypersetup{colorlinks=true,urlcolor=red,linkcolor=black}
%
%
\mode
<all>