diff --git a/presets/notes.org b/presets/notes.org
index 8b7562f..afa5303 100644
--- a/presets/notes.org
+++ b/presets/notes.org
@@ -28,6 +28,12 @@
 #+latex_header: \usemintedstyle{colorful}
 #+latex_header: \definecolor{bg}{HTML}{FDF6E3}  % used in emacs conf
 
+%%% define own enumeration styles
+% use custom labels with `\begin{enumerate}[label=$\bullet$]`
+#+LATEX_HEADER: \usepackage{enumerate}
+#+LATEX_HEADER: \usepackage{enumitem}
+#+LATEX_HEADER: \setlist{nosep}
+
 %%% cleaner newline indentation
 #+LATEX_HEADER: \usepackage[parfill]{parskip}
 
diff --git a/presets/notes.tex b/presets/notes.tex
index f1a37ab..fbfe941 100644
--- a/presets/notes.tex
+++ b/presets/notes.tex
@@ -16,11 +16,19 @@
 \usepackage{xcolor}
 \usepackage{color}
 
+%%% links in toc etc
+\usepackage{hyperref}
+
+%%% source code
 \usepackage{listings}
 \usepackage{minted}
+\definecolor{bg}{rgb}{0.95, 0.95, 1.0}
 
 %%% define own enumeration styles
+% use custom labels with `\begin{enumerate}[label=$\bullet$]`
 \usepackage{enumerate}
+\usepackage{enumitem}
+\setlist{nosep}
 
 %%% cleaner newline indentation
 \usepackage[parfill]{parskip}
@@ -43,23 +51,23 @@
 % definition
 \theoremstyle{definition}
 \newtheorem{definition}{Definition}[section]
-\tcolorboxenvironment{definition}{blanker, before skip=10pt,after skip=10pt}
+%\tcolorboxenvironment{definition}{blanker, before skip=10pt,after skip=10pt}
 
 % example
 \theoremstyle{definition}
 \newtheorem{example}{Beispiel}[section]
-\tcolorboxenvironment{example}{blanker, before skip=10pt,after skip=10pt}
+%\tcolorboxenvironment{example}{blanker, before skip=10pt,after skip=10pt}
 
 % theorem
 \newtheorem{theorem}{Satz}[section]
-\tcolorboxenvironment{theorem}{blanker, before skip=10pt,after skip=10pt}
+%\tcolorboxenvironment{theorem}{blanker, before skip=10pt,after skip=10pt}
 
 % algorithm
 \theoremstyle{definition}
 \newtheorem{algo}{Algorithmus}[section]
-\tcolorboxenvironment{algo}{blanker, before skip=10pt,after skip=10pt}
+%\tcolorboxenvironment{algo}{blanker, before skip=10pt,after skip=10pt}
 
 % remark
 \theoremstyle{definition}
 \newtheorem*{remark}{Bemerkung}
-\tcolorboxenvironment{remark}{blanker, before skip=10pt,after skip=10pt}
+%\tcolorboxenvironment{remark}{blanker, before skip=10pt,after skip=10pt}
diff --git a/presets/presentations.tex b/presets/presentations.tex
index 71fe35e..0ac4084 100644
--- a/presets/presentations.tex
+++ b/presets/presentations.tex
@@ -18,8 +18,10 @@
 \usepackage{color}
 \usepackage{proof}
 
+%%% source code
 \usepackage{listings}
 \usepackage{minted}
+\definecolor{bg}{rgb}{0.95, 0.95, 1.0}
 
 % page numbers in the bottom right
 \addtobeamertemplate{navigation symbols}{}{%
@@ -28,6 +30,3 @@
     \hspace{1em}%
     \raisebox{2pt}[0pt][0pt]{\insertframenumber/\inserttotalframenumber}
 }
-
-% code blocks
-