Update app.py

app.py

@@ -159,7 +159,19 @@ def respond(message, history, mom_type) :
 with gr.Blocks() as chatbot:
     with gr.Row():
         mom_type = gr.CheckboxGroup(["Cool Mom", "Tutor Mom", "Strict Mom"],label = "Choose Your Mom")
-    
+
+    custom_theme = gr.themes.Soft(
+    primary_hue="purple",
+    secondary_hue="fuchsia", 
+    neutral_hue="gray",
+    spacing_size="lg",
+    radius_size="lg",
+    text_size="lg",
+    font=[gr.themes.GoogleFont("IBM Plex Sans"), "sans-serif"],
+    font_mono=[gr.themes.GoogleFont("IBM Plex Mono"), "monospace"]
+)
+    chatbot = gr.ChatInterface(respond, type="messages", theme=custom_theme)
+
     gr.ChatInterface(
         fn=respond,
         additional_inputs=[mom_type],