header.tex

\documentclass[aspectratio=169\ifdefined\handout, handout\fi]{beamer}

\usepackage[italian]{babel}
\usepackage{tikz, cclicenses}
\usetikzlibrary{positioning, calc, shapes.geometric}

% FONT
\usepackage{fontspec}
\setmainfont[Scale=MatchLowercase, Ligatures=TeX]{MagicSchoolTwo.ttf}
\setbeamerfont{frametitle}{family=\rmfamily, size=\LARGE}
\setbeamertemplate{frametitle}[default][center]
\setbeamerfont{title}{family=\rmfamily, size=\Huge}
\setbeamerfont{subtitle}{family=\rmfamily, size=\Large}
\setbeamerfont{author}{family=\rmfamily, size=\Large}
\setbeamerfont{institute}{family=\rmfamily, size=\large}
\setbeamerfont{date}{family=\rmfamily}
\setbeamerfont{section name}{family=\rmfamily}
\setbeamerfont{section title}{family=\rmfamily, size=\Huge}

% COLOR
\definecolor{gred}{rgb}{0.45,0,0}
\setbeamercolor{frametitle}{fg=gred}
\setbeamercolor{section title}{fg=gred}
\setbeamercolor{title}{fg=gred}
\setbeamercolor{subtitle}{fg=gred}
\setbeamercolor{item}{fg=gred}

% BACKGROUND and TRANSITION
\ifdefined\handout
  \def\transition{}
\else
  \def\transition{\transfade}
  \setbeamertemplate{background canvas}{
    \includegraphics[width=\paperwidth,height=\paperheight]{parchment.jpg}
  }
\fi

\beamertemplatenavigationsymbolsempty

% FRAME ENV
\newenvironment{myframe}[1]{\begin{frame}{#1}\transition\centering}{\end{frame}}
\def\sectionname{Sezione}
\AtBeginSection{\frame{\transition\centering\sectionpage}}

% STRIKEOUT
\usepackage{soul}
\newcommand<>{\stafter}[1]{%
  \ifdefined\handout\st{#1}\else%
    \only#2{#1}%
    \invisible#2{\st{#1}}%
  \fi%
}

% METADATA
\title[Difesa contro le Arti Oscure]{Difesa contro le Arti Oscure\\\Large Corso introduttivo alla sicurezza informatica}
\author{Davide Peressoni}
\institute[]{Commissione Informatica\\Collegio Universitario don Nicola Mazza}
\let\oldmaketitle\maketitle
\renewcommand\maketitle{
  \begin{frame}\transition
    \oldmaketitle
    \begin{tikzpicture}[remember picture,overlay]
      \node[anchor=south east, xshift=-40pt]%
        at (current page.south east)
        {\includegraphics[height=70pt]{Cominfo}};
    \end{tikzpicture}
  \end{frame}
  \frame{\transition
    \tiny\input{license.tex}
  }
}