\mode<presentation>
  
  \RequirePackage{tikz}
  \RequirePackage{xcolor}
  \RequirePackage{helvet}
  \usetikzlibrary{fit,positioning,calc,patterns.meta}
  
  
  \usecolortheme{femto}
  \usefonttheme{femto}
  
  \setbeamertemplate{title page}
  {
  	\begin{tikzpicture}[remember picture, overlay]
  		
  ode[fit=(current page),fill=\@femtomaincolor] {};
  		
  ode[anchor=north west,inner sep=3mm] at (current page.north west)
  			{\includegraphics[width=3cm]{img/Femto-logo_blanc-2012-transp.png}};
  		
  ode[anchor=south west,inner sep=3mm] (CNRS) at (current page.south
  			west)

  			{\includegraphics[height=1cm]{img/CNRS_logo_blanc_sur_alpha.pdf}};

  		
  ode[inner sep=0, right=0 of CNRS] (UBFC)

  			{\includegraphics[height=1cm]{img/ubfc_blanc_sur_alpha.pdf}};

  		
  ode[inner sep=0, right=3mm of UBFC] (UFC)

  			{\includegraphics[height=.5cm]{img/ufc_blanc_sur_alpha.pdf}};

  		
  ode[inner sep=0, right=3mm of UFC] (ENSMM)
  			{\includegraphics[height=1cm]{img/ENSMM.png}};
  		
  ode[inner sep=0, right=3mm of ENSMM] (UTBM)

  			{\includegraphics[height=1cm]{img/UTBM.pdf}};

  
  		% orange arc 
  		
  ode[anchor=center, inner sep=0] at ($(current page.south west) + (0,
  			2.5cm)$) {
  				\begin{tikzpicture}

  					\path[fill=femtoredstrong, even odd rule] (0, 0) circle[radius=10pt]
  						(0, 0) circle[radius=20pt];

  				\end{tikzpicture}
  			};
  
  		% yellow arc 
  		
  ode[anchor=center, inner sep=0] at ($(current page.north east) + (0,
  			-3cm)$) {
  				\begin{tikzpicture}

  					\path[fill=femtoyellowstrong, even odd rule] (0, 0) circle[radius=10pt]
  						(0, 0) circle[radius=20pt];

  				\end{tikzpicture}
  			};
  		% white dot arc
  		
  ode[anchor=center, inner sep=0] at ($(current page.north west) + (6cm, 0)$) {
  				\begin{tikzpicture}

  					\path[pattern color=white, pattern={Dots[distance=2pt]}, even odd rule] (0, 0) circle[radius=10pt]
  						(0, 0) circle[radius=20pt];

  				\end{tikzpicture}
  			};
  
  		% white cross
  		
  ode[anchor=center, inner sep=0] at ($(current page.center) + (3cm,
  			-1.5cm)$) {
  				% white cross arc 
  				\begin{tikzpicture}

  					\path[fill=white] (0, 0) rectangle (30pt, 10pt);
  					\path[fill=white] (10pt, 20pt) rectangle (20pt, -10pt);

  				\end{tikzpicture}
  			};
  		
  		% purple angle
  		
  ode[anchor=center, inner sep=0] at ($(current page.north west) + (3.7cm,
  			-1.9cm)$) {
  				% white cross arc 
  				\begin{tikzpicture}

  					\path[fill=femtopurplestrong] (0, 0) rectangle (-20pt, 10pt);
  					\path[fill=femtopurplestrong] (0, 0) rectangle (-10pt, 20pt);

  				\end{tikzpicture}
  			};
  	\end{tikzpicture}
  
  	{\huge \textbf{\inserttitle}}\\
  	{\Large \insertsubtitle}
  
  	\hspace{-8mm}\tikz{\draw[color=\@femtolightcolor] (0, 0) -- (8mm, 0);}

  	{
  ormalsize \textit{\insertauthor}}\\
  	\medskip
  	{\small \insertinstitute}

  }
  
  \setbeamertemplate{footline}
  {
  
  	
  ewcommand{\separationwidth}{\paperwidth}
  	\advance \separationwidth by -7mm
  	\hspace{4mm}
  	\begin{beamercolorbox}[wd=\separationwidth,ht=.5pt]{top separation line
  		foot}
  	\end{beamercolorbox}
  
  	\hbox{
  		\begin{beamercolorbox}[wd=.2\paperwidth,ht=8mm,sep=2mm]{background}
  			\includegraphics[height=5mm]{img/Femto-logo_gris-2012.png}
  		\end{beamercolorbox}%
  		\begin{beamercolorbox}[wd=.8\paperwidth,ht=8mm]{background}
  			\parbox[b][8mm][c]{.8\paperwidth}{
  				\usebeamerfont{footline}
  				\hfill \insertshorttitle $\ |$ \insertshortauthor $\ |$ \insertshortdate
  				\usebeamerfont{page number in head/foot}
  				\hspace{3mm}
  				\insertframenumber
  			}
  		\end{beamercolorbox}
  	}
  }
  
  % Removes navigation
  \setbeamertemplate{navigation symbols}
  {
  }
  
  \setbeamertemplate{background}
  {
  	% Bottom left angle
  	\begin{tikzpicture}[remember picture, overlay]
  		
  ode[anchor=south west] at ($(current page.south west) + (1mm, 9mm)$) {
  				\begin{tikzpicture}

  					\path[fill=\@femtomaincolor] (0, 0) -- (16pt, 0) -- (16pt,
  					8pt) -- (8pt, 8pt)--(8pt, 16pt) -- (0, 16pt);

  				\end{tikzpicture}
  			};
  	\end{tikzpicture}
  
  	% Mirrored F symbol
  	\begin{tikzpicture}[remember picture, overlay]
  		
  ode[anchor=north east, inner sep=0] at ($(current page.north east) + (-3mm, -3mm)$) {
  			\begin{tikzpicture}[]

  				\path[fill=\@femtolightcolor] (0, 0) -- (12pt, 0) -- (12pt,
  					20pt)
  					-- (24pt, 20pt) -- (24pt, 32pt) -- (12pt, 32pt) -- (12pt,
  					44pt)
  					--(12pt, 44pt) arc[start angle=0, end angle=90,
  					radius=28pt] (-16pt, 72pt)
  					-- (-16pt, 72pt) -- (-36pt, 72pt) -- (-36pt, 60pt) --
  					(-16pt, 60pt)
  					-- (-16pt, 60pt) arc[start angle=90, end angle=0,
  					radius=16pt]
  					-- (0pt, 44pt) -- (0pt, 32pt) -- (-12pt, 32pt) --
  					(-12pt, 20pt) -- (0pt, 20pt) -- (0pt, 0pt);
  				\path[fill=\@femtolightcolor] (12pt, 60pt) rectangle (24pt, 72pt);

  			\end{tikzpicture}
  			};
  	\end{tikzpicture}
  }