diff --git a/.config/emacs/init.el b/.config/emacs/init.el
index 0a1eb1f..3b1f94c 100644
--- a/.config/emacs/init.el
+++ b/.config/emacs/init.el
@@ -1,5 +1,9 @@
 (require 'package)
 
+;; auto install all packages called by =use-package=
+(require 'use-package-ensure)
+(setq use-package-always-ensure t)
+
 ;; add package archives
 (setq package-archives
  '(("melpa" . "https://melpa.org/packages/")
@@ -8,10 +12,6 @@
    ("nongnu" . "https://elpa.nongnu.org/nongnu/")
    ))
 
-;; auto install all packages called by =use-package=
-(require 'use-package-ensure)
-(setq use-package-always-ensure t)
-
 (setq inhibit-startup-message t
       use-dialog-box nil)
 
@@ -20,7 +20,7 @@
 (setq modus-themes-italic-constructs t
       modus-themes-bold-constructs t
       modus-themes-mixed-fonts t
-      modus-themes-variable-pitch-ui nil)
+      modus-themes-variable-pitch-ui t)
   
 (setq modus-themes-headings
       '((1 . (1.4))
@@ -43,16 +43,21 @@
 
 ;; Turn off some unneeded UI elements
 (menu-bar-mode 1)  ; Leave this one on if you're a beginner!
-(tool-bar-mode -1)
-(scroll-bar-mode -1)
+(tool-bar-mode 0)
+(scroll-bar-mode 0)
 
 ;; Turn on some QOL
 (add-hook 'prog-mode-hook 'display-line-numbers-mode)
-(global-display-line-numbers-mode 1)
+;; (global-display-line-numbers-mode 1)
+(global-hl-line-mode 1)
+(global-visual-line-mode 1)
+(blink-cursor-mode 0)
+; (global-display-fill-column-indicator-mode 1)
 (which-key-mode 1)
 (recentf-mode 1)
 (savehist-mode 1)
 (save-place-mode 1)
+(setq make-backup-files nil)
  
 (use-package magit)
 (use-package auctex)
diff --git a/.ipe/styles/ngslides.isy b/.ipe/styles/ngslides.isy
new file mode 100644
index 0000000..d96399d
--- /dev/null
+++ b/.ipe/styles/ngslides.isy
@@ -0,0 +1,365 @@
+<ipestyle name="ngslides">
+<preamble>
+\usepackage[ngerman]{babel}
+\usepackage[sansdefault]{fontsetup}
+\usepackage{ngutils}
+
+\renewcommand{\theoremfont}{\normalfont\bfseries\color{dark blue}}
+\renewcommand{\definitionfont}{\normalfont\bfseries\color{dark gray}}
+
+\newcommand{\labelfont}{\normalfont\bfseries\color{dark blue}}
+
+%\setlength{\leftmargini}{1.33em}
+%\setlength{\leftmarginii}{1.33em}
+%\setlength{\leftmarginiii}{1.33em}
+%\setlength{\leftmarginvi}{1.33em}
+
+\renewcommand{\labelenumi}{\labelfont\arabic{enumi}.}
+\renewcommand{\labelenumii}{\labelfont\alph{enumii})}
+\renewcommand{\labelenumiii}{\labelfont\roman{enumiii}.}
+\renewcommand{\labelenumiv}{\labelfont\Alph{enumiv}.}
+
+\renewcommand{\labelitemi}{\labelfont $\blockfull$}
+\renewcommand{\labelitemii}{\labelfont $\blackpointerright$}
+\renewcommand{\labelitemiii}{\labelfont $\bullet$}
+\renewcommand{\labelitemiv}{\labelfont $\bullet$}
+
+\setlength{\fboxsep}{1pt}
+
+\newcommand{\bk}{\color{black}}
+\newcommand{\wt}{\color{white}}
+\newcommand{\bu}{\color{dark blue}}
+\newcommand{\bn}{\color{dark brown}}
+\newcommand{\cn}{\color{dark cyan}}
+\newcommand{\gy}{\color{dark gray}}
+\newcommand{\gn}{\color{dark green}}
+\newcommand{\og}{\color{dark orange}}
+\newcommand{\pk}{\color{dark pink}}
+\newcommand{\pl}{\color{dark purple}}
+\newcommand{\rd}{\color{dark red}}
+\newcommand{\yo}{\color{dark yellow}}
+\newcommand{\tl}{\color{title}}
+</preamble>
+
+<textstyle name="enumerate" begin="\begin{enumerate}" end="\end{enumerate}"/>
+<textstyle name="algorithmic" begin="\begin{algorithmic}" end="\end{algorithmic}"/>
+<textstyle name="theorem" begin="\begin{theorem}" end="\end{theorem}"/>
+<textstyle name="lemma" begin="\begin{lemma}" end="\end{lemma}"/>
+<textstyle name="proof" begin="\begin{proof}" end="\end{proof}"/>
+<textstyle name="definition" begin="\begin{definition}" end="\end{definition}"/>
+<textstyle name="example" begin="\begin{example}" end="\end{example}"/>
+
+<!-- Arrows that are recessed a bit so that they don't overlap with the marks -->
+<symbol name="arrow/ng-fnormal(spx)">
+<path stroke="sym-stroke" fill="white" pen="sym-pen">
+-0.7 0 m
+-1.7 0.333 l
+-1.7 -0.333 l
+h
+</path>
+</symbol>
+
+<symbol name="arrow/ng-normal(spx)">
+<path stroke="sym-stroke" fill="sym-stroke" pen="sym-pen">
+-0.7 0 m
+-1.7 0.333 l
+-1.7 -0.333 l
+h
+</path>
+</symbol>
+
+<symbol name="arrow/ng-pointed(spx)">
+<path stroke="sym-stroke" fill="sym-stroke" pen="sym-pen">
+-0.7 0 m
+-1.7 0.333 l
+-0.8 0 l
+-1.7 -0.333 l
+h
+</path>
+</symbol>
+
+<symbol name="arrow/ng-fpointed(spx)">
+<path stroke="sym-stroke" fill="white" pen="sym-pen">
+-0.7 0 m
+-1.7 0.333 l
+-0.8 0 l
+-1.7 -0.333 l
+h
+</path>
+</symbol>
+
+<symbol name="arrow/ng-linear(spx)">
+<path stroke="sym-stroke" pen="sym-pen">
+-1.7 0.333 m
+-0.7 0 l
+-1.7 -0.333 l
+</path>
+</symbol>
+
+<symbol name="arrow/ng-fdouble(spx)">
+<path stroke="sym-stroke" fill="white" pen="sym-pen">
+-0.7 0 m
+-1.7 0.333 l
+-1.7 -0.333 l
+h
+-1.7 0 m
+-2.7 0.333 l
+-2.7 -0.333 l
+h
+</path>
+</symbol>
+
+<symbol name="arrow/ng-double(spx)">
+<path stroke="sym-stroke" fill="sym-stroke" pen="sym-pen">
+-0.7 0 m
+-1.7 0.333 l
+-1.7 -0.333 l
+h
+-1.7 0 m
+-2.7 0.333 l
+-2.7 -0.333 l
+h
+</path>
+</symbol>
+
+<!-- Decorations for groups -->
+<symbol name="decoration/remark">
+<path stroke="dark gray" fill="light yellow">
+100 204 m
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/theorem">
+<path stroke="dark blue" fill="light blue">
+100 204 m
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/problem">
+<path stroke="dark green" fill="light green">
+100 204 m
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/definition">
+<path stroke="dark gray" fill="light yellow">
+96 96 m
+304 96 l
+304 204 l
+96 204 l
+h
+</path>
+</symbol>
+
+<symbol name="decoration/algorithm">
+<path stroke="dark gray" fill="light green" dash="dashed">
+96 96 m
+304 96 l
+304 204 l
+96 204 l
+h
+</path>
+</symbol>
+
+<symbol name="decoration/graph">
+<path stroke="dark gray">
+92 92 m
+308 92 l
+308 208 l
+92 208 l
+h
+</path>
+</symbol>
+
+<symbol name="decoration/comic-bl">
+<path stroke="dark gray" fill="light yellow">
+100 96 m
+110 96 s
+110 92
+106 88 s
+116 92
+118 96 s
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+100 204 l
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/comic-bm">
+<path stroke="dark gray" fill="light yellow">
+100 96 m
+186 96 s
+186 92
+182 88 s
+192 92
+194 96 s
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+100 204 l
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/comic-br">
+<path matrix="-1 0 0 1 400 0" stroke="dark gray" fill="light yellow">
+100 96 m
+110 96 s
+110 92
+106 88 s
+116 92
+118 96 s
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+100 204 l
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/comic-tl">
+<path matrix="1 0 0 -1 0 300" stroke="dark gray" fill="light yellow">
+100 96 m
+110 96 s
+110 92
+106 88 s
+116 92
+118 96 s
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+100 204 l
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/comic-tm">
+<path matrix="1 0 0 -1 0 300" stroke="dark gray" fill="light yellow">
+100 96 m
+186 96 s
+186 92
+182 88 s
+192 92
+194 96 s
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+100 204 l
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+h
+</path>
+</symbol>
+
+<symbol name="decoration/comic-tr">
+<path matrix="-1 0 0 -1 400 300" stroke="dark gray" fill="light yellow">
+100 96 m
+110 96 s
+110 92
+106 88 s
+116 92
+118 96 s
+300 96 l
+4 0 0 4 300 100 304 100 a
+304 200 l
+4 0 0 4 300 200 300 204 a
+100 204 l
+4 0 0 4 100 200 96 200 a
+96 100 l
+4 0 0 4 100 100 100 96 a
+h
+</path>
+</symbol>
+
+<color name="dark blue" value="0.121 0.47 0.705"/>
+<color name="dark brown" value="0.651 0.337 0.157"/>
+<color name="dark cyan" value="0.106 0.62 0.467"/>
+<color name="dark gray" value="0.5"/>
+<color name="dark green" value="0.2 0.627 0.172"/>
+<color name="dark orange" value="1 0.498 0"/>
+<color name="dark pink" value="0.969 0.506 0.749"/>
+<color name="dark purple" value="0.415 0.239 0.603"/>
+<color name="dark red" value="0.89 0.102 0.109"/>
+<color name="dark yellow" value="1 1 0.2"/>
+<color name="light blue" value="0.651 0.807 0.89"/>
+<color name="light brown" value="0.898 0.847 0.741"/>
+<color name="light cyan" value="0.553 0.827 0.78"/>
+<color name="light gray" value="0.8"/>
+<color name="light green" value="0.698 0.874 0.541"/>
+<color name="light orange" value="0.992 0.749 0.435"/>
+<color name="light pink" value="0.992 0.855 0.925"/>
+<color name="light purple" value="0.792 0.698 0.839"/>
+<color name="light red" value="0.984 0.603 0.6"/>
+<color name="light yellow" value="1 1 0.8"/>
+<color name="title" value="0.247 0.282 0.392"/>
+<color name="pagenumber" value="0.5 0.5 0.5"/>
+
+<pen name="ultrafat" value="6"/>
+<pen name="fat" value="3.6"/>
+<pen name="heavier" value="2.4"/>
+<pen name="normal" value="1.2"/>
+<symbolsize name="large" value="15"/>
+<symbolsize name="normal" value="9"/>
+<symbolsize name="small" value="6"/>
+<symbolsize name="tiny" value="3.3"/>
+
+<textstretch name="Huge" value="2.4"/>
+<textstretch name="LARGE" value="2.4"/>
+<textstretch name="Large" value="2.4"/>
+<textstretch name="footnote" value="2.4"/>
+<textstretch name="huge" value="2.4"/>
+<textstretch name="large" value="2.4"/>
+<textstretch name="normal" value="2.4"/>
+<textstretch name="script" value="2.4"/>
+<textstretch name="small" value="2.4"/>
+<textstretch name="tiny" value="2.4"/>
+
+<layout paper="1024 576" origin="16 16" frame="992 496" skip="16" crop="no"/>
+<pagenumberstyle pos="1000 552" color="pagenumber" size="tiny" valign="top" halign="right"></pagenumberstyle>
+<titlestyle pos="0 544" size="Large" color="title" valign="top"/>
+</ipestyle>
+