diff --git a/.gitignore b/.gitignore
index d212ee4..dcd6835 100644
--- a/.gitignore
+++ b/.gitignore
@@ -318,5 +318,5 @@ main.pdf
 
 # ignore build directories
 # these hold all the clutter we do not want to have 
-tmp
-build
\ No newline at end of file
+.tmp
+.build
\ No newline at end of file
diff --git a/.latexmkrc b/.latexmkrc
index 398277b..cd16ee4 100644
--- a/.latexmkrc
+++ b/.latexmkrc
@@ -16,10 +16,10 @@
 
 # Move all axuiliary files to a separate directory, so they do not clutter up the project directory
 $emulate_aux = 1;
-$aux_dir = "tmp";
+$aux_dir = ".tmp";
 
 # Move the compiled files (and synctex) to a separate directory
-$out_dir = 'build';
+$out_dir = '.build';
 
 # command to compile and run
 $pdflatex = 'pdflatex %O -interaction=nonstopmode -shell-escape %S';
diff --git a/config/geomerty.tex b/config/geomerty.tex
new file mode 100644
index 0000000..9bb4d85
--- /dev/null
+++ b/config/geomerty.tex
@@ -0,0 +1,15 @@
+% Set page geometry such as: margin, aspect ratio, ...
+% Documentation see: https://texdoc.org/serve/geometry.pdf/0
+\geometry {
+    papername=a4paper,  % size of paper
+    portrait,           % aspect ratio format
+    % margins
+    left=3cm,
+    right=2cm,
+    top=2cm,
+    bottom=2cm,
+    % includes the head of the page, \headheight and \headsep, into total body.
+    includehead,
+    % show a frame around text (for debuging)
+    showframe=false,
+}
\ No newline at end of file
diff --git a/config/pages.tex b/config/pages.tex
index 6e63f00..191f3ad 100644
--- a/config/pages.tex
+++ b/config/pages.tex
@@ -1,12 +1,3 @@
-% set page margins
-\newgeometry {
-    left=3cm,
-    right=2cm,
-    top=2cm,
-    bottom=2cm,
-    includehead
-}
-
 % configure hyper links
 \hypersetup{
     bookmarksopen=false,
@@ -18,6 +9,7 @@
     pdfborder={0 0 0}       % disable border
 }
 
+% translate caption title to german
 \captionsetup*[figure]{name=Bild}
 \captionsetup*[table]{name=Tabelle}
 \captionsetup*[listing]{name=Quelltext}
diff --git a/main.tex b/main.tex
index 499d4b5..e626677 100644
--- a/main.tex
+++ b/main.tex
@@ -1,4 +1,4 @@
-\documentclass[a4paper, 12pt]{article}
+\documentclass[12pt]{article}
 
 % =====================================================================
 % latex packages to use
@@ -36,6 +36,8 @@
 % include file with fixes and workaround
 % as well as special settings
 \input{extra/fixes}
+% article page geometry configuration
+\input{config/geomerty}
 
 \begin{document}