\documentclass{beamer}
\usetheme{simple}
\usepackage{lmodern}
\usepackage[scale=2]{ccicons}
\usepackage{booktabs}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{graphicx}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{epstopdf}
\usepackage{enumitem} %Comment out enumitem if you want round ("default") bullet points
\useinnertheme{rectangles} % Uncomment this (and comment out enumitem) if you want to use different bullet points
\usepackage{hyperref}
\usepackage[style=numeric]{biblatex}
\usepackage{listings}
\renewcommand{\rmdefault}{cmr} % Resets the default roman font to CM
\renewcommand{\sfdefault}{cmss} % Resets the default sans serif font to CM
\renewcommand{\ttdefault}{cmtt} % Resets the default typewriter font to CM
% TODO:
% position adjustement
% change colours
%
% Watermark background (simple theme)
\setwatermark{\includegraphics[height=8.5cm]{img/iade_background.png}}
\logo{%
\includegraphics[height=1cm,keepaspectratio]{img/iade_ipca_logo.png}~%
\vspace{210pt}
}
\setbeamercolor{footline}{fg=white,bg=black} % Set the footer foreground and background colors
\setbeamercolor{navigation symbols dimmed}{fg=gray} % Optional: Set dimmed navigation symbols color
\setbeamercolor{navigation symbols}{fg=white} % Set navigation symbols color
\setbeamertemplate{navigation symbols}[default] % Use default navigation symbols; remove this if you want custom navigation symbols
\setbeamertemplate{footline}
{
\leavevmode%
\hbox{%
\begin{beamercolorbox}[wd=\paperwidth,ht=2.25ex,dp=1ex,center]{footline}%
% Navigation symbols
\insertnavigation{\paperwidth}
% Slide number - Adjust the positioning as needed
\usebeamerfont{author in head/foot}\insertshortauthor
\hfill \insertframenumber{} / \inserttotalframenumber\hspace*{2ex}
\end{beamercolorbox}%
}%
\vskip0pt%
}
% \setbeamertemplate{footline}
% {
% \leavevmode%
% \hbox{%
% \begin{beamercolorbox}[wd=.5\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
% \usebeamerfont{author in head/foot}\insertshortauthor
% \end{beamercolorbox}%
% \begin{beamercolorbox}[wd=.5\paperwidth,ht=2.25ex,dp=1ex,right]{title in head/foot}%
% \usebeamerfont{title in head/foot}\insertshorttitle\hspace*{2em}
% \insertframenumber{} / \inserttotalframenumber\hspace*{2ex}
% \end{beamercolorbox}}%
% \vskip0pt%
% }
\title{A simple beamer theme based on http://github.com/famuvie}
\subtitle{}
\date{\today}
\author{Ezequiel Santos}
\institute{\url{http://github.com/ezefranca}}
\begin{document}
\maketitle
\begin{frame}{simple}
\framesubtitle{A beamer theme}
\texttt{simple} is a minimalist Beamer theme that features
\begin{columns}
\column{.5\textwidth}
\begin{itemize}
\item a \alert{watermark} logo in the background
\item slide \alert{numbers}
\item \emph{emph}asized and \alert{alert}ed text
\end{itemize}
\column{.5\textwidth}
\begin{block}{And of course...}
blocks, columns, and all Beamer power
\end{block}
\end{columns}
\end{frame}
\setwatermark{\fontsize{125pt}{125pt}\selectfont{Simple}}
\begin{frame}[fragile]{watermark}
\framesubtitle{not only for images}
\begin{itemize}
\item You can place \emph{any} \LaTeX{} \alert{contents} as a watermark
\end{itemize}
\begin{block}{In preamble}
\begin{verbatim}
\setwatermark{\includegraphics[height=8cm]{%
img/Heckert_GNU_white.png}}
\end{verbatim}
\end{block}
\begin{block}{Just before this frame}
\begin{verbatim}
\setwatermark{\fontsize{125pt}{125pt}%
\selectfont{Simple}}
\end{verbatim}
\end{block}
\end{frame}
\setwatermark[hoffset=-3cm,voffset=-2cm]{\fontsize{125pt}{125pt}\selectfont{Simple}}
\begin{frame}{Options}
\framesubtitle{Fine adjustement of the watermark position}
\begin{itemize}
\item \texttt{hoffset}
\item \texttt{voffset}
\end{itemize}
They admit any \emph{positive} or \emph{negative} spacing \alert{unit}
Note that some \alert{warnings} about \emph{badboxes} might be generated at compilation
\end{frame}
\begin{frame}{License}
\begin{block}{Get the source of this theme and the demo presentation from}
\begin{center}\url{http://github.com/famuvie/beamerthemesimple}\end{center}
\end{block}
The theme \emph{itself} is licensed under a
\href{http://creativecommons.org/licenses/by-sa/4.0/}{Creative Commons
Attribution-ShareAlike 4.0 International License}.
\begin{center}\ccbysa\end{center}
\end{frame}
\end{document}