margin below

beamerinnerthemetrex.sty

@@ -30,5 +30,24 @@
   \vfill
 }
 
-\mode
-<all>
+% Section page
+\defbeamertemplate*{section page}{trex}{
+  \centering
+  \begin{minipage}{22em}
+    \raggedright
+    \usebeamercolor[fg]{section title}
+    \usebeamerfont{section title}
+    \insertsectionhead\\[-1ex]
+    \par
+    \ifx\insertsubsectionhead\@empty\else%
+      \usebeamercolor[fg]{subsection title}%
+      \usebeamerfont{subsection title}%
+      \insertsubsectionhead
+    \fi
+  \end{minipage}
+  \par
+  \vspace{\baselineskip}
+}
+
+
+\mode<all>

beamerouterthemetrex.sty

@@ -1,7 +1,7 @@
 \mode<presentation>
 
 % Frame title
-\defbeamertemplate*{frametitle}{texsx}[1][]
+\defbeamertemplate*{frametitle}{trex}[1][]
 {
   \begin{beamercolorbox}[wd=\paperwidth,ht=0.95cm]{frametitle} 
   \begin{tikzpicture}

beamerthemetrex.sty

@@ -15,4 +15,15 @@
 \setbeamertemplate{navigation symbols}{}
 \setbeamertemplate{blocks}[rounded][shadow=true]
 
+\AtBeginSection[]{%
+    \begin{frame}[plain]
+        \usebeamertemplate{section page}
+    \end{frame}
+}
+
+\setbeamertemplate{footline}{
+    \vspace{0.6cm}
+}
+
+
 \mode<all>