Fix margins

beamerinnerthemepolimi.sty

@@ -74,7 +74,7 @@
     \begin{tikzpicture}[overlay, remember picture]
         \node (foot) at (current page.south) [anchor=south, minimum width=\paperwidth, minimum height=0.4415\paperheight, fill=bluePolimi] {};
         \node at ([shift={(0, -0.1)}] foot.north) {\includegraphics[width=0.99\paperwidth]{decoration.png}};
-        \path let \p1 = ([shift={(0, 0.105\paperheight+0.25)}] current page.south east), \p2 = (current page.west) in (\paperwidth,\y1) edge [white, line width=0.5] (\x2,\y1);
+        \path let \p1 = ([shift={(0, 0.105\paperheight+0.25)}] current page.south west), \p2 = (current page.east) in (\x1, \y1) edge [white, line width=0.5] (\x2, \y1);
         \node at ([shift={(\xshift, 3.5)}] current page.south west) [anchor=north west, inner sep=0pt, text width=\textwidth+1cm]
         {
             {\color{white}\Large\bf \insertsection}

beamerouterthemepolimi.sty

@@ -29,7 +29,7 @@
 {
     \ifnum\c@framenumber>0
         \begin{tikzpicture}[overlay, remember picture]
-        \node at ([shift={(-\xshift, -1.25)}] current page.north east) [anchor=south west, inner sep=0pt]
+        \node at ([shift={(-0.5\xshift, -1.25)}] current page.north east) [anchor=south east, inner sep=0pt]
         {
             {\color{white} \tiny \insertframenumber/\inserttotalframenumber}
         };
@@ -44,8 +44,13 @@
             \hspace{\xshift}
             {\small\color{white}\insertauthor}
             \hspace*{\fill}
-            \includegraphics[height=\baselineskip]{logo_bandiera.png}
-            \hspace{1.5mm}
+
+            \begin{tikzpicture}[overlay, remember picture]
+            \node at ([shift={(-0.5\xshift, 0.5)}] current page.south east) [anchor=east, inner sep=0pt]
+            {
+                \includegraphics[height=\baselineskip]{logo_bandiera.png}
+            };
+            \end{tikzpicture}
         \fi
     \end{minipage}
 }

beamerthemepolimi.sty

@@ -26,3 +26,15 @@
 \setbeamertemplate{blocks}[rounded][shadow=true]
 \setbeamertemplate{itemize items}[square]
 \setbeamertemplate{itemize subitem}[triangle]
+
+% Set margins.
+\setbeamersize{text margin left=\xshift, text margin right=\xshift}
+\setlength{\leftmargini}{\xshift}
+
+\let\oldtoc\tableofcontents
+\renewcommand{\tableofcontents}[1][]{%
+    \hspace*{0.5\xshift}
+    \begin{minipage}{\textwidth}
+        \oldtoc[#1]
+    \end{minipage}
+}