Changed custom css file reference

app.py

@@ -567,7 +567,7 @@ def update_use_embeddings(widget, state):
         state = widget
         return state
 
-with gr.Blocks(css="css/css.css") as block:
+with gr.Blocks(css="css/custom_css.css") as block:
     llm_state = gr.State()
     history_state = gr.State()
     chain_state = gr.State()