style: soft gradio theme applied

app.py

@@ -5,6 +5,7 @@ import pandas as pd
 from apscheduler.schedulers.background import BackgroundScheduler
 from huggingface_hub import snapshot_download
 import os
+from gradio.themes import Soft
 
 from src.about import (
     CITATION_BUTTON_LABEL,
@@ -170,7 +171,8 @@ def init_leaderboard(dataframe):
     )
 
 
-demo = gr.Blocks(css=custom_css)
+demo = gr.Blocks(css=custom_css, theme=Soft())
+# demo = gr.Blocks(css=custom_css, theme=Soft(font=["sans-serif"], font_mono=["monospace"]))
 with demo:
     gr.HTML(TITLE)
     gr.Markdown(INTRODUCTION_TEXT, elem_classes="markdown-text")