\documentclass{beamer}

\title{Yosys Open SYnthesis Suite}
\author{Clifford Wolf}
\institute{http://www.clifford.at/}

\usetheme{Madrid}
\usecolortheme{seagull}
\beamertemplatenavigationsymbolsempty

\definecolor{YosysGreen}{RGB}{85,136,102}
\setbeamercolor{title}{fg=black,bg=YosysGreen!70}
\setbeamercolor{titlelike}{fg=black,bg=YosysGreen!70}
\setbeamercolor{frametitle}{fg=black,bg=YosysGreen!70}
\setbeamercolor{block title}{fg=black,bg=YosysGreen!70}
\setbeamercolor{item projected}{fg=black,bg=YosysGreen}

\begin{document}

\begin{frame}
\titlepage
\end{frame}

\begin{frame}{Overview}
Yosys is an Open Source Verilog synthesis tool, and more.

\bigskip
Outline of this presentation:
\begin{itemize}
\item Introduction to the field and Yosys
\item Yosys usage examples (synthesis)
\item Yosys usage examples (beyond synthesis)
\item Programming Yosys extensions
\end{itemize}
\end{frame}

\include{PRESENTATION_Intro}

\end{document}