\documentclass[t,10pt]{beamer}
\usepackage{wasysym}
\usepackage[utf8]{inputenc}
\usepackage[german]{babel}
\setbeamersize{text margin left = 1mm}
\setbeamersize{text margin right = 1mm}
\usepackage[babel,german=quotes]{csquotes}
\usepackage{hyperref}
\usepackage{graphicx}
\usepackage{xcolor}
\usepackage[absolute,overlay]{textpos}
\usepackage{enumitem}
\usepackage{etoolbox}

\makeatletter
\patchcmd{\beamer@sectionintoc}{\vskip1.5em}{\vskip0.5em}{}{}
\makeatother


\setitemize{label=\usebeamerfont*{itemize item}%
  \usebeamercolor[fg]{itemize item}
  \usebeamertemplate{itemize item}}

\usetheme[pageofpages=of,% String used between the current page and the
                         % total page count.
          bullet=circle,% Use circles instead of squares for bullets.
          titleline=true,% Show a line below the frame title.
          alternativetitlepage=true,% Use the fancy title page.
          titlepagelogo=bilder/kif_logo.pdf,% Logo for the first page.
          %watermark=watermark-polito,% Watermark used in every page.
          %watermarkheight=100px,% Height of the watermark.
          %watermarkheightmult=4,% The watermark image is 4 times bigger
                                % than watermarkheight.
          ]{Torino}

\hypersetup{
        unicode=true,
        colorlinks=true,
        linktoc=none,
        linkcolor=white,
        urlcolor=uniblau,
        pdffitwindow=true
}



\newcounter{temptemp}
\makeatletter
\def\sectionentry#1#2#3#4#5{% section number, section title, page
  \ifnum#5=\c@part%
  \setcounter{temptemp}{\c@section}
  \ifnum#1=\value{temptemp}
  \box\beamer@sectionbox\hskip1.875ex plus 1fill%
  \beamer@xpos=0\relax%
  \beamer@ypos=1\relax%
  \setbox\beamer@sectionbox=
  \hbox{\def\insertsectionhead{#2}%
    \def\insertsectionheadnumber{#1}%
    \def\insertpartheadnumber{#5}%
    {%
      \usebeamerfont{section in head/foot}\usebeamercolor[fg]{section in head/foot}%
        \hyperlink{Navigation#3}{{\usebeamertemplate{section in head/foot}}}%
      }%
  }%
  \ht\beamer@sectionbox=1.875ex%
  \dp\beamer@sectionbox=0.75ex%
  \else
  \stepcounter{temptemp}
  \ifnum#1=\value{temptemp}
  \box\beamer@sectionbox\hskip1.875ex plus 1fill%
  \beamer@xpos=0\relax%
  \beamer@ypos=1\relax%
  \setbox\beamer@sectionbox=
  \hbox{\def\insertsectionhead{#2}%
    \def\insertsectionheadnumber{#1}%
    \def\insertpartheadnumber{#5}%
    {%
      \usebeamerfont{section in head/foot}\usebeamercolor[fg]{section in head/foot}%
        \hyperlink{Navigation#3}{{\color{fg!50!bg}$\RHD$ \usebeamertemplate{section in head/foot shaded}}}%
      }%
  }%
  \ht\beamer@sectionbox=1.875ex%
  \dp\beamer@sectionbox=0.75ex%
  \else
  \stepcounter{temptemp}
  \ifnum#1=\value{temptemp}
  \box\beamer@sectionbox\hskip1.875ex plus 1fill%
  \beamer@xpos=0\relax%
  \beamer@ypos=1\relax%
  \setbox\beamer@sectionbox=
  \hbox{\def\insertsectionhead{#2}%
    \def\insertsectionheadnumber{#1}%
    \def\insertpartheadnumber{#5}%
    {%
      \usebeamerfont{section in head/foot}\usebeamercolor[fg]{section in head/foot}%
        \hyperlink{Navigation#3}{{\color{fg!50!bg}$\RHD\RHD$ \usebeamertemplate{section in head/foot shaded}}}%
      }%
  }%
  \ht\beamer@sectionbox=1.875ex%
  \dp\beamer@sectionbox=0.75ex%
  \else
  \addtocounter{temptemp}{-3}
  \ifnum#1=\value{temptemp}
  \box\beamer@sectionbox\hskip1.875ex plus 1fill%
  \beamer@xpos=0\relax%
  \beamer@ypos=1\relax%
  \setbox\beamer@sectionbox=
  \hbox{\def\insertsectionhead{#2}%
    \def\insertsectionheadnumber{#1}%
    \def\insertpartheadnumber{#5}%
    {%
      \usebeamerfont{section in head/foot}\usebeamercolor[fg]{section in head/foot}%
        \hyperlink{Navigation#3}{{\usebeamertemplate{section in head/foot shaded} $\LHD$}}%
      }%
  }%
  \ht\beamer@sectionbox=1.875ex%
  \dp\beamer@sectionbox=0.75ex%
  \else
    \box\beamer@sectionbox\hskip1.875ex plus 1fill%
  \beamer@xpos=0\relax%
  \beamer@ypos=1\relax%
  \setbox\beamer@sectionbox=
  \hbox{\hspace*{-1cm}%
  }%
  \ht\beamer@sectionbox=-1.875ex%
  \dp\beamer@sectionbox=-0.75ex%
  \fi\fi\fi\fi\fi\ignorespaces}
\makeatother


\begin{document}
\setbeamertemplate{navigation symbols}{}

\input{liste}

\end{document}
