diff --git a/.Rproj.user/441ADA46/sources/prop/60EAAA4E b/.Rproj.user/441ADA46/sources/prop/60EAAA4E
index 3024e15..c350964 100644
--- a/.Rproj.user/441ADA46/sources/prop/60EAAA4E
+++ b/.Rproj.user/441ADA46/sources/prop/60EAAA4E
@@ -1,4 +1,4 @@
 {
-    "cursorPosition" : "40,0",
-    "scrollLine" : "25"
+    "cursorPosition" : "138,30",
+    "scrollLine" : "99"
 }
\ No newline at end of file
diff --git a/.Rproj.user/441ADA46/sources/s-FE609B0F/25D73910 b/.Rproj.user/441ADA46/sources/s-60E46B92/25D73910
similarity index 71%
rename from .Rproj.user/441ADA46/sources/s-FE609B0F/25D73910
rename to .Rproj.user/441ADA46/sources/s-60E46B92/25D73910
index 9c06bac..368f3e8 100644
--- a/.Rproj.user/441ADA46/sources/s-FE609B0F/25D73910
+++ b/.Rproj.user/441ADA46/sources/s-60E46B92/25D73910
@@ -2,18 +2,18 @@
     "collab_server" : "",
     "contents" : "",
     "created" : 1546879226629.000,
-    "dirty" : false,
+    "dirty" : true,
     "encoding" : "UTF-8",
     "folds" : "",
-    "hash" : "522901110",
+    "hash" : "0",
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-    "lastKnownWriteTime" : 1547345167,
-    "last_content_update" : 1547345167821,
+    "lastKnownWriteTime" : 1547777224,
+    "last_content_update" : 1547777237677,
     "path" : "~/Documents/GitHub/posterdown/inst/rmarkdown/templates/posterdown_pdf/skeleton/skeleton.Rmd",
     "project_path" : "inst/rmarkdown/templates/posterdown_pdf/skeleton/skeleton.Rmd",
     "properties" : {
-        "cursorPosition" : "40,0",
-        "scrollLine" : "25"
+        "cursorPosition" : "138,30",
+        "scrollLine" : "99"
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     "relative_order" : 1,
     "source_on_save" : false,
diff --git a/.Rproj.user/441ADA46/sources/s-FE609B0F/25D73910-contents b/.Rproj.user/441ADA46/sources/s-60E46B92/25D73910-contents
similarity index 98%
rename from .Rproj.user/441ADA46/sources/s-FE609B0F/25D73910-contents
rename to .Rproj.user/441ADA46/sources/s-60E46B92/25D73910-contents
index 91ffe99..6b65bf8 100644
--- a/.Rproj.user/441ADA46/sources/s-FE609B0F/25D73910-contents
+++ b/.Rproj.user/441ADA46/sources/s-60E46B92/25D73910-contents
@@ -36,9 +36,6 @@
 #----OTHER----#
 bibliography: MyLibrary # name of the .bib file used for referencing
 output: posterdown::posterdown_pdf
-header-includes:
-- \usepackage[breakable]{tcolorbox}
-
 ---
 
 ```{r, include=FALSE}
diff --git a/.Rproj.user/441ADA46/sources/s-FE609B0F/lock_file b/.Rproj.user/441ADA46/sources/s-60E46B92/lock_file
similarity index 100%
rename from .Rproj.user/441ADA46/sources/s-FE609B0F/lock_file
rename to .Rproj.user/441ADA46/sources/s-60E46B92/lock_file
diff --git a/.Rproj.user/441ADA46/sources/s-FE609B0F/A4381D75-contents b/.Rproj.user/441ADA46/sources/s-FE609B0F/A4381D75-contents
deleted file mode 100644
index 144be67..0000000
--- a/.Rproj.user/441ADA46/sources/s-FE609B0F/A4381D75-contents
+++ /dev/null
@@ -1,87 +0,0 @@
-\documentclass{report}
-\usepackage[most]{tcolorbox}
-\usepackage{lmodern}
-\usepackage{lipsum}
-\usepackage[explicit]{titlesec}
-\usepackage{varwidth}
-
-\tcbset{
-    orange/.style={
-        enhanced,
-        colback=orange!10,
-        colframe=orange,
-        fonttitle=\bfseries,
-        colbacktitle=orange!40,
-        coltitle=black,
-        attach boxed title to top left={%
-            yshift*=-\tcboxedtitleheight/2,
-            xshift=5mm},
-        boxed title style={colframe=gray}
-    }
-}
-
-\newtcbtheorem[auto counter]{mylemma}{Lemma}{%
-    orange
-    }{lm}
-
-\titleformat{\chapter}[display]
-  {\normalfont\Large\bfseries}
-  {}
-  {}
-  {%
-    \begin{tcolorbox}[orange, halign=center, valign=center, title=test, overlay={\node[draw=gray, fill=orange!40, rounded corners, anchor=east, font=\small\bfseries] at ([xshift=-5mm]frame.south east){2016-2017};}]%, title=Title]
-    #1
-   \end{tcolorbox}%
-  }
-
-\titleformat{\section}
-  {\normalfont\large\bfseries}{}{0em}
-  {%
-    \setbox0=\hbox{\large\bfseries\thesection}%
-    \begin{tikzpicture}
-        \draw[orange, ultra thick](0,0) -- ++(0:\linewidth);
-        \node[draw=orange,
-        rounded corners,
-        fill=orange!10,
-        ultra thick,
-        anchor=west,
-        outer sep=0pt
-        ] {\thesection\hspace{.5em}\hangindent\wd0\strut#1\strut};
-    \end{tikzpicture}%
-  }
-
-\titleformat{name=\section,numberless}[display]
-  {\normalfont\Large\bfseries}{}{0em}
-  {%
-    \begin{tikzpicture}
-        \draw[orange, line width=1mm](0,0) -- ++(0:\linewidth);
-        \node[draw=orange,
-        rounded corners,
-        fill=orange!10,
-        line width=1mm,
-        anchor=west,
-        outer sep=0pt
-        ] {\strut#1\strut};
-    \end{tikzpicture}%
-  }
-\titlespacing*{\section}
-  {0pt}{4.5ex plus 1ex minus .2ex}{1ex plus .2ex}
-
-\begin{document}
-
-\chapter*{Diagonalizar matrices}
-\section{Test numbered section}
-\begin{mylemma}{Test}{a}
-\lipsum[3]
-\end{mylemma}
-
-\begin{mylemma}{Test}{a}
-\lipsum[3]
-\end{mylemma}
-
-\section*{Test unnumbered section}
-\lipsum[4]
-%\section{Test numbered section with a long title; in fact, it spans two lines}
-%\lipsum[4]
-
-\end{document}