Theme edit (#27)

* changing fonts and colors

* color changes

app.py

@@ -7,6 +7,14 @@ import pandas as pd
 
 from buster.completers import Completion
 
+from gradio.themes.utils import (
+    colors,
+    fonts,
+    get_matching_version,
+    get_theme_assets,
+    sizes,
+)
+
 import cfg
 from cfg import setup_buster
 
@@ -160,9 +168,17 @@ def get_answer(history, sources: Optional[list[str]] = None):
 # #component-0 { height: 100%; }
 # #chatbot { flex-grow: 1; overflow: auto;}
 # """
-theme = gr.themes.Base()
-demo = gr.Blocks(theme=theme)
-with demo:
+theme = gr.themes.Soft()
+# theme.block_background_fill
+# demo = gr.Blocks(theme=theme)
+with gr.Blocks(
+    theme=gr.themes.Soft(
+        primary_hue="blue",
+        secondary_hue="blue",
+        font=fonts.GoogleFont("Source Sans Pro"),
+        font_mono=fonts.GoogleFont("IBM Plex Mono"),
+    )
+) as demo:
     with gr.Row():
         gr.Markdown(
             "<h3><center>Toward's AI x Buster 🤖: A Question-Answering Bot for anything AI-related</center></h3>"