--- a/slides/slides05.tex	Wed Dec 02 01:15:14 2020 +0000
+++ b/slides/slides05.tex	Mon Dec 07 01:25:41 2020 +0000
@@ -1,5 +1,5 @@
 % !TEX program = xelatex
-\documentclass[dvipsnames,14pt,t,xelatex]{beamer}
+\documentclass[dvipsnames,14pt,t,xelatex,aspectratio=169,xcolor={table}]{beamer}
 \usepackage{../slides}
 \usepackage{../graphics}
 \usepackage{../langs}
@@ -37,11 +37,11 @@
   \begin{center}
   \begin{tabular}{ll}
     Email:  & christian.urban at kcl.ac.uk\\
-    Office: & N\liningnums{7.07} (North Wing, Bush House)\bigskip\\
+    %Office: & N\liningnums{7.07} (North Wing, Bush House)\bigskip\\
     Slides \& Code: & KEATS\\
-                    & \onslide<2>{\alert{PDF: A Crash-Course in Scala}}\bigskip\\
-    Office Hours: &  Thursdays 12:00 -- 14:00\\
-    Additionally: & (for Scala) Tuesdays 10:45 -- 11:45\\ 
+    %                & \onslide<2>{\alert{PDF: A Crash-Course in Scala}}\bigskip\\
+    %Office Hours: &  Thursdays 12:00 -- 14:00\\
+    %Additionally: & (for Scala) Tuesdays 10:45 -- 11:45\\ 
   \end{tabular}
   \end{center}
 
@@ -50,23 +50,23 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
-\begin{frame}[c]
-\frametitle{Marks for Preliminary 8}
-
-Raw marks (265 submissions):\bigskip
-
-\begin{itemize}
-\item 4\%: \hspace{4mm}211
-\item 3\%: \hspace{4mm}11
-\item 2\%: \hspace{4mm}14
-\item 1\%: \hspace{4mm}8
-\item 0\%: \hspace{4mm}21
-\end{itemize}\bigskip\bigskip  
-
-\footnotesize
-(plagiarism/collusion interviews ongoing again!)
-
-\end{frame}
+%\begin{frame}[c]
+%\frametitle{Marks for Preliminary 8}
+%
+%Raw marks (265 submissions):\bigskip
+%
+%\begin{itemize}
+%\item 4\%: \hspace{4mm}211
+%\item 3\%: \hspace{4mm}11
+%\item 2\%: \hspace{4mm}14
+%\item 1\%: \hspace{4mm}8
+%\item 0\%: \hspace{4mm}21
+%\end{itemize}\bigskip\bigskip  
+%
+%\footnotesize
+%(plagiarism/collusion interviews ongoing again!)
+%
+%\end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
@@ -180,13 +180,13 @@
 \end{tikzpicture}
 \end{center}
 
-\begin{textblock}{9}(4,12)
-\LARGE{}
-\only<3->{\boldmath\alert{$a$}}%
-\only<4->{\boldmath\alert{$b$}}%
-\only<5->{\boldmath\alert{$a$}}%
-\only<6->{\boldmath\alert{$a$}}%
-\only<7->{\boldmath\alert{$a\quad\Rightarrow \textbf{yes}$}}% 
+\begin{textblock}{10}(4,12)
+\LARGE{}\phantom{b}
+\only<-2>{\boldmath\textcolor{gray}{$a$}}\only<3->{\boldmath\alert{$a$}}%
+\only<-3>{\boldmath\textcolor{gray}{$b$}}\only<4->{\boldmath\alert{$b$}}%
+\only<-4>{\boldmath\textcolor{gray}{$a$}}\only<5->{\boldmath\alert{$a$}}%
+\only<-5>{\boldmath\textcolor{gray}{$a$}}\only<6->{\boldmath\alert{$a$}}%
+\only<-6>{\boldmath\textcolor{gray}{$a$}}\only<7->{\boldmath\alert{$a\quad\Rightarrow \textbf{yes}$}}% 
 \end{textblock}
   
 \end{frame}