Update example environment style <noupdate>

src/year1/cognition-and-neuroscience/module1/cn1.tex

@@ -18,7 +18,14 @@
 \DeclareAcronym{cs}{short=CS, long=conditioned stimulus}
 \DeclareAcronym{cr}{short=CR, long=conditioned response}
 
-\newtheorem*{casestudy}{Case study}
+\newtheorem*{privatecasestudy}{Case study}
+\newenvironment{casestudy}{%
+    \begin{marginbar}{olive}{0}{thick}
+    \begin{privatecasestudy}
+}{%
+    \end{privatecasestudy}
+    \end{marginbar}
+}
 
 \begin{document}
     

src/year1/cognition-and-neuroscience/module1/sections/_nervous_system.tex

@@ -108,7 +108,7 @@ Generally, a neuron does the following:
             \item[Cell body/soma] Metabolic center of the cell.
         \end{description}
 
-        \begin{figure}[h]
+        \begin{figure}[H]
             \centering
             \includegraphics[width=0.5\textwidth]{img/neuron_eukaryotic.png}
             \caption{Neuron as an eukaryotic cell}
@@ -151,7 +151,7 @@ There are three types of synapses:
     \item[Axoaxonic] \marginnote{Axoaxonic}
         Synapses that a neuron makes onto the synapses of another neuron.
         In this case, the transmitting neuron can be seen as a signal modulator of the receiving neuron.
-    \begin{figure}[h]
+    \begin{figure}[H]
         \begin{subfigure}{.3\textwidth}
             \centering
             \includegraphics[width=\linewidth]{./img/axosomatic.png}
@@ -215,7 +215,7 @@ In a neuron, there are four regions that handle signals:
             \item[Electrical synapses] The \ac{ap} is directly transmitted to the next neurons.
         \end{description}
 
-    \begin{figure}[h]
+    \begin{figure}[H]
         \centering
         \includegraphics[width=0.8\textwidth]{./img/neuron_transmission.png}
         \caption{Transmitting regions of different types of neurons}
@@ -286,7 +286,7 @@ In a neuron, there are four regions that handle signals:
                         \end{remark}
                 \end{enumerate}
 
-                \begin{figure}[h]
+                \begin{figure}[H]
                     \centering
                     \includegraphics[width=0.8\textwidth]{./img/neuron_transmission2.png}
                     \caption{

src/year1/cognition-and-neuroscience/module2/cn2.tex

@@ -7,7 +7,14 @@
 \def\lastupdate{{PLACEHOLDER-LAST-UPDATE}}
 \def\giturl{{PLACEHOLDER-GIT-URL}}
 
-\newtheorem*{casestudy}{Case study}
+\newtheorem*{privatecasestudy}{Case study}
+\newenvironment{casestudy}{%
+    \begin{marginbar}{olive}{0}{thick}
+    \begin{privatecasestudy}
+}{%
+    \end{privatecasestudy}
+    \end{marginbar}
+}
 
 \begin{document}