diff --git a/document.pdf b/document.pdf
index 19cd3a2..fa03aa5 100644
Binary files a/document.pdf and b/document.pdf differ
diff --git a/document.tex b/document.tex
index 50b8b72..b5f36d5 100644
--- a/document.tex
+++ b/document.tex
@@ -1,5 +1,5 @@
-\documentclass{libs/XJTLU_format}
-% Inserting the preamble file with the packages
+\documentclass[aspectratio=169]{libs/XJTLU_format}
+\usepackage[orientation=landscape,size=custom,width=16,height=9,scale=0.5,debug]{beamerposter}
 \input{libs/preamble.tex}
 % Inserting the references file
 \bibliography{references.bib}
@@ -19,7 +19,7 @@
     \department{School of Advanced Technology}
     \newline
     % University name
-    \university{Xi'an Jiaotong-Liverpool University}
+    \university{Xi’an Jiaotong-Liverpool University}
 }
 % date of the presentation
 \date{\today}
@@ -203,6 +203,7 @@ \subsection{Figures}
         \centering
         \includegraphics[scale=0.5]{libs/XJTLU_logo.png}
         \caption{Logo of XJTLU.}
+        % \source{Description of XJTLU}
         \label{fig:XJTLU_logo}
     \end{figure}
 \end{frame}
@@ -216,7 +217,7 @@ \subsection{Tables}
     3& 4& \\
     5& 6&
   \end{tabular}
-  \caption{}
+  \caption{This is a table}
 \end{table}
 
 \end{frame}
@@ -264,4 +265,4 @@ \subsection{Multi-columns}
     
 \end{frame}
 
-\end{document}
+\end{document}
\ No newline at end of file
diff --git a/libs/XJTLU_format.cls b/libs/XJTLU_format.cls
index bc78b1d..a9e2506 100644
--- a/libs/XJTLU_format.cls
+++ b/libs/XJTLU_format.cls
@@ -6,7 +6,7 @@
 \LoadClass[compress, 10pt]{beamer}
 
 %% Putting the background image in the frames
-\usebackgroundtemplate{\hspace{10cm} \vspace{2.2cm}\transparent{0.9}\includegraphics[width=0.18\paperwidth]{libs/XJTLU_name.png} }
+\usebackgroundtemplate{\hspace{13cm}\vspace{-2cm}\transparent{0.6}\includegraphics[width=0.145\paperwidth]{libs/XJTLU_name.png} }
 %\logo{\includegraphics[scale=0.3]{libs/XJTLU_logo.png} \hspace{9cm} \vspace{-0.2cm}}
 
 
@@ -24,22 +24,28 @@
 \RequirePackage{colortbl}
 \RequirePackage{graphicx}
 \RequirePackage{fancybox}
-\RequirePackage[footnotesize,hang]{caption}
+%\RequirePackage[footnotesize,hang]{caption}
 % Option management
 \RequirePackage{beamerbaseoptions}
+\RequirePackage{bbm}
 
 
 % colors
 \definecolor{navy_theme}{RGB}{1, 5, 68}
 \definecolor{middle}{RGB}{95, 39, 114}
-\definecolor{purple}{RGB}{206, 87, 193}
+\definecolor{purple}{RGB}{160, 67, 163}
+
+%\definecolor{navy_theme}{RGB}{1, 5, 68}
+%\definecolor{middle}{RGB}{95, 39, 114}
+%\definecolor{purple}{RGB}{206, 87, 193}
+
 \definecolor{black}{RGB}{0, 0, 0}
 \definecolor{white}{RGB}{255, 255, 255}
 \definecolor{red}{RGB}{215, 0, 0}
 \definecolor{yellow}{RGB}{255, 242, 0}
 \definecolor{aqua}{RGB}{34, 189, 173}
 
-% style of the blocks XJTLU
+% style of the blocks ufc
 \beamerboxesdeclarecolorscheme{blockXJTLU}{navy_theme}{white}
 \beamer@autopdfinfotrue
 \beamer@notesnormalstrue
@@ -55,7 +61,7 @@
 \setbeamercolor{section in head/foot}{bg=navy_theme, fg=white}
 \setbeamercolor{subsection in head/foot}{bg=middle, fg=white}
 \setbeamercolor{institute in head/foot}{bg=purple, fg=white}
-\setbeamerfont{block title}{size={}}
+\setbeamerfont{block title}{size=\small}
 
 
 %% ---------- bottom fields ---------------------
@@ -96,7 +102,8 @@
 
 %% draw the blocks
 \setbeamertemplate{blocks}[rounded][shadow=true]
-% \setbeamercolor{separation line}{use=structure,bg=structure.fg!50!bg} % color on the top 
+%\setbeamertemplate{blocks}[shadow=true]
+ \setbeamercolor{separation line}{use=structure,bg=structure.fg!50!bg} % color on the top 
 
 % block
 \setbeamercolor*{block title}{fg=white, bg=navy_theme}
@@ -134,7 +141,7 @@
 \newcommand{\alertbox}[1]{
 \begin{flushleft}
 \fcolorbox{red}{white}{
-\begin{minipage}{0.9\textwidth}
+\begin{minipage}{0.97\textwidth}
 #1
 \end{minipage}
 }
@@ -145,7 +152,7 @@
 \newcommand{\simplebox}[1]{
 \begin{flushleft}
 \fcolorbox{navy_theme}{white}{
-\begin{minipage}{0.9\textwidth}
+\begin{minipage}{0.97\textwidth}
 #1
 \end{minipage}
 }
@@ -156,7 +163,7 @@
 \newcommand{\successbox}[1]{
 \begin{flushleft}
 \fcolorbox{aqua}{white}{
-\begin{minipage}{0.9\textwidth}
+\begin{minipage}{0.97\textwidth}
 #1
 \end{minipage}
 }
@@ -164,9 +171,9 @@
 }
 
 % create the source of the image
-\newcommand{\source}[1]{
-    \caption*{\textcolor{navy_theme}{Figure:} {#1}} 
-}
+%\newcommand{\source}[1]{
+%    \caption*{\textcolor{navy_theme}{Figure:} {#1}} 
+%}
 
 % university command
 \newcommand{\university}[1]{
@@ -189,5 +196,8 @@
     }
 }
 
-% Show number of figures
-\setbeamertemplate{caption}[numbered]
\ No newline at end of file
+\newcommand{\supervisor}[1]{
+    \textmd{
+      \normalsize{#1}
+    }
+}
\ No newline at end of file