added theme

app.py

@@ -44,9 +44,13 @@ embeddings = OpenAIEmbeddings(
 #get the db index
 db = Pinecone.from_existing_index(index_name=index_n, embedding=embeddings)
 
+theme = gr.themes.Soft(
+    primary_hue="emerald",
+).set(
+    block_background_fill='black'
 
 
-with gr.Blocks() as demo:
+with gr.Blocks(theme=theme) as demo:
     chatbot = gr.Chatbot(label="Talk to the Bot")
     msg = gr.Textbox()
     clear = gr.Button("Clear")