Change beamer theme

files/init.el

@@ -232,8 +232,8 @@
     "oco" 'org-clock-out
     "oa"  'org-agenda
     "oca" 'org-capture)
-  :hook
-  (org-mode . (lambda () (electric-indent-local-mode -1)))
+;;:hook
+;;(org-mode . (lambda () (electric-indent-local-mode -1)))
   :config
   (setq org-format-latex-options (plist-put org-format-latex-options :scale 1.5))
   (setq org-agenda-files (quote ("~/org")))

files/org/presentations.org

@@ -1,9 +1,9 @@
 #+startup: beamer
 #+LaTeX_CLASS: beamer
-#+LaTeX_CLASS_OPTIONS: [presentation, smaller]
+#+LaTeX_CLASS_OPTIONS: [presentation, smaller,aspectratio=169]
 #+LANGUAGE: de
 #+OPTIONS: toc:t H:2
-#+BEAMER_THEME: [width=.2\paperwidth]Hannover
+#+BEAMER_THEME: Singapore
 
 #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %4BEAMER_col(Col) %10BEAMER_extra(Extra)