Update app.py

app.py

@@ -43,11 +43,11 @@ cfg.description = f'''
                 <table>
                   <tr>
                     <td style="width: 33%;"> <img src="https://github.com/david-oplatka/chatbot-streamlit/blob/main/Vectara-logo.png?raw=true"> </td>
-                    <td style="width: 34%; vertical-align: middle;"> <h1>{cfg.title}</h1> </td>
+                    <td style="width: 34%;"> <h1>{cfg.title}</h1> </td>
                     <td style="width: 33%;"> This demo uses Retrieval Augmented Generation to ask questions about {cfg.source_data_desc} </td>
                   </tr>
                 </table>
-                <center> <h3>{cfg.description}</h3></center>
+                <center> <h2>{cfg.description}</h2></center>
                 '''
 
 css = """
@@ -59,6 +59,7 @@ table {
 }
 td {
   border: none;
+  vertical-align: middle;
   text-align: center;
 }
 img {