Moved custom CSS to a file

app.py

@@ -567,7 +567,7 @@ def update_use_embeddings(widget, state):
         state = widget
         return state
 
-with gr.Blocks(css=".gradio-container {background-color: #090c17} .scroll-hide {background-color: #202937; border-color: #384253; color: #bcc0c6} .bg-white {background-color: #202937; border-color: #384253; color: #bcc0c6} .text-gray-500 {background-color: #202937; border-color: #384253; color: #bcc0c6} .ml-2 {background-color: #202937; border-color: #384253; color: #bcc0c6} .gr-button {background-color: #202937; border-color: #384253; color: #bcc0c6} .gr-input-label {background-color: #202937; border-color: #384253; color: #bcc0c6} #gr-component {background-color: #202937; border-color: #384253; color: #bcc0c6}") as block:
+with gr.Blocks(css="css/css.txt") as block:
     llm_state = gr.State()
     history_state = gr.State()
     chain_state = gr.State()