Set page geometry and line space

bericht.sty

@@ -16,6 +16,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \usepackage[utf8]{inputenc}   % UTF8-Codierung
 \usepackage[ngerman]{babel}      % Sprachanpassungen für generierte Texte wie "Inhaltsverzeichnis" etc
+\usepackage[onehalfspacing]{setspace}
 \usepackage[T1]{fontenc}% Interne LaTeX Codierungen
 \usepackage[dvipsnames,table]{xcolor} % Extending L A TEX’s color facilities
 \usepackage[babel, german=guillemets]{csquotes}   % Context sensitive quotation facilities.

bericht.tex

@@ -12,8 +12,8 @@
   ,a4paper          % Papiergrösse
 % ,twoside          % Zweiseitiger Druck (rechts/links)
 % ,10pt             % Schriftgrösse
-  ,11pt
-% ,12pt
+% ,11pt
+ ,12pt
   ,pdftex
 %  ,disable         % Todo-Markierungen auschalten
 ]{report}