Update app.py

app.py

@@ -20,7 +20,7 @@ chatbot = gr.Chatbot()
 block = gr.Blocks(css=".gradio-container {background-color: lightblue}")
 
 with block:
-    gr.HTML("<center><h3>Omdena AI Chatbot For Mental Health and Well Being</h3></center>")
+    gr.HTML("<center><h2>Omdena AI Chatbot For Mental Health and Well Being</h2></center>")
     
     gr.HTML("WELCOME<br>"
             "I am an AI ChatBot and I am here to assist you with whatever is bothering you."
@@ -31,7 +31,9 @@ with block:
         message = gr.Textbox(
             label="What would you like to talk about?",
         )
-        submit = gr.Button(value="Send", variant="secondary").style(full_width=False)
+
+    with gr.Row():
+        submit = gr.Button(color="lightblue" value="Send", variant="secondary").style(full_width=False)
 
     gr.Examples(
         examples=[