diff --git a/emacs/.emacs b/emacs/.emacs
index 75a7f83..41299ce 100644
--- a/emacs/.emacs
+++ b/emacs/.emacs
@@ -58,6 +58,9 @@
 
 (ensure-package-installed 'use-package)
 
+;; *.tex files are Latex-Files
+(add-to-list 'auto-mode-alist '("\\.py\\'" . LaTeX-mode))
+
 ;; theme
 (use-package heroku-theme
   :ensure t)
@@ -92,10 +95,26 @@
 			(setq ivy-count-format "(%d/%d) ")
 			(define-key ivy-minibuffer-map (kbd "<C-return>") 'ivy-immediate-done)))
 
+;; Neotree
+(use-package neotree
+  :ensure t
+  :demand t
+  :bind ("C-x n" . neotree-show)
+  :config
+  (evil-define-key 'normal neotree-mode-map (kbd "TAB") 'neotree-enter)
+  (evil-define-key 'normal neotree-mode-map (kbd "SPC") 'neotree-enter)
+  (evil-define-key 'normal neotree-mode-map (kbd "RET") 'neotree-enter)
+  (evil-define-key 'normal neotree-mode-map (kbd "q") 'neotree-hide)
+  (add-hook 'neo-enter-hook
+			(lambda (type path arg) (if (equal type 'file)
+							   (neotree-hide)))))
+
+
 ;; Cursor centered
 (use-package centered-cursor-mode
   :ensure t
   :demand t
+  :disabled
   :config (global-centered-cursor-mode))
 
 ;; Yasnippet
diff --git a/emacs/.emacs.d/snippets/latex-mode/description-env b/emacs/.emacs.d/snippets/latex-mode/description-env
new file mode 100644
index 0000000..e42b9ed
--- /dev/null
+++ b/emacs/.emacs.d/snippets/latex-mode/description-env
@@ -0,0 +1,11 @@
+# -*- mode: snippet -*-
+# name: description-env
+# key: desc
+# --
+\begin{description}
+
+\item[$1] $2
+
+$0
+
+\end{description}
\ No newline at end of file
diff --git a/emacs/.emacs.d/snippets/latex-mode/emph b/emacs/.emacs.d/snippets/latex-mode/emph
new file mode 100644
index 0000000..6f6762f
--- /dev/null
+++ b/emacs/.emacs.d/snippets/latex-mode/emph
@@ -0,0 +1,5 @@
+# -*- mode: snippet -*-
+# name: emph
+# key: emph
+# --
+\emph{$1} $0
\ No newline at end of file
diff --git a/emacs/.emacs.d/snippets/latex-mode/item-desc b/emacs/.emacs.d/snippets/latex-mode/item-desc
new file mode 100644
index 0000000..43555c4
--- /dev/null
+++ b/emacs/.emacs.d/snippets/latex-mode/item-desc
@@ -0,0 +1,6 @@
+# -*- mode: snippet -*-
+# name: item-desc
+# key: itd
+# --
+\item[$1] $2
+$0
\ No newline at end of file