my stsm slide, add footcite (proper formatting took roughly 40 minutes with the

help of Claude, https://claude.ai/chat/46ef4ca9-dd37-4159-ad3b-d2dc512ddce0, i
hate latex ...)

presentation/config/header.tex

@@ -355,6 +355,9 @@ aspectratio=169,%  common values: 169, 1610, 43
 % \addbibresource{../bibliography/bibliography.bib}
 \addbibresource{../resources/bib/bibliography.bib}
 
+% turn off '(visited on ...)' string in cited references (biblatex command)
+\DeclareFieldFormat{urldate}{}
+
 % reduce footcite size.
 % (note: this reduces all footnote sizes. but in beamer, this is okay. web says
 % that alternative (ifffootnote) is discouraged, leads to redefinition conflicts.

presentation/mainmatter/introduction.tex

@@ -12,7 +12,18 @@
       % \textbf{\color{fzjblue}{Research group}}
       \begin{center}
 
-        \includegraphics[width=1.0\textwidth]{../resources-local/map-europe-stsm/map-cropped-1.png}\vspace{0.5em}
+        % wrap graphic in minipage to make footcite appear directly underneath
+        % otherwise footcite may mess up column / center env formatting
+        \begin{minipage}{\linewidth}
+          \begin{center}
+            {\renewcommand{\footnotesize}{\tiny}%
+              \includegraphics[width=0.8\textwidth]{../resources-local/map-europe-stsm/map-cropped-1.png}\footcite{kolja21FileEuropeanUnion2020}
+
+            }
+          \end{center}
+        \end{minipage}
+
+        \vspace{0.5em}
 
         \begin{columns}[c]
           \begin{column}{0.25\linewidth}