Update app.py

app.py

@@ -15,18 +15,6 @@ DESCRIPTION = '''
 </div>
 '''
 
-css = """
-h1 {
-  text-align: center;
-  display: block;
-}
-#duplicate-button {
-  margin: auto;
-  color: white;
-  background: #1565c0;
-  border-radius: 100vh;
-}
-"""
 
 # Load the tokenizer and model
 tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-Instruct-v0.3")
@@ -77,14 +65,13 @@ def gpt4o_mistral(message: str,
 # Gradio block
 chatbot=gr.Chatbot(height=450, label='Gradio ChatInterface')
 
-with gr.Blocks(fill_height=True, css=css) as demo:
+with gr.Blocks(fill_height=True, css="xiaobaiyuan/theme_brief") as demo:
     
     gr.Markdown(DESCRIPTION)
     gr.DuplicateButton(value="Duplicate Space for private use", elem_id="duplicate-button")
     gr.ChatInterface(
         fn=gpt4o_mistral,
         chatbot=chatbot,
-        theme="xiaobaiyuan/theme_brief",
         fill_height=True,
         additional_inputs_accordion=gr.Accordion(label="⚙️ Parameters", open=False, render=False),
         additional_inputs=[