Update app.py

app.py

@@ -49,13 +49,19 @@ def answer_query(query):
     question = query
     return pdf_qa.run(question)
 
-html = """
-<div style="text-align:center; max width: 700px;">
-    <h1>ChatPDF</h1>
-    <p> Upload a PDF File, then click on Load PDF File <br>
-    Once the document has been loaded you can begin chatting with the PDF =)
-</div>"""
-css = """container{max-width:700px; margin-left:auto; margin-right:auto,padding:20px}"""
+css="""
+#col-container {max-width: 700px; margin-left: auto; margin-right: auto;}
+"""
+
+title = """
+<div style="text-align: center;max-width: 700px;">
+    <h1>Chatbot for PDFs - GPT-4</h1>
+    <p style="text-align: center;">Upload a .PDF, click the "Load PDF to LangChain" button, <br />
+    Wait for the Status to show Ready, start typing your questions. <br />
+    The app is built on GPT-4</p>
+</div>
+"""
+
 with gr.Blocks(css=css,theme=gr.themes.Monochrome()) as demo:
     gr.HTML(html)
     with gr.Column():