add some emacs magic

files/org/presentations.org

@@ -1,8 +1,9 @@
 #+startup: beamer
 #+LaTeX_CLASS: beamer
-#+LaTeX_CLASS_OPTIONS: [presentation]
+#+LaTeX_CLASS_OPTIONS: [presentation, smaller]
 #+LANGUAGE: de
 #+OPTIONS: toc:t H:2
+#+BEAMER_THEME: [width=.2\paperwidth]Hannover
 
 #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %4BEAMER_col(Col) %10BEAMER_extra(Extra)