fix of error

app.py

@@ -109,6 +109,12 @@ button.primary:hover, .button.primary:hover {
   color: #ffffff !important;
 }
 
+/* Code blocks styling */
+.chatbot pre {
+  background-color: #f8f9fa !important;
+  border-left: 4px solid #4285f4 !important;
+}
+
 /* Additional styling for the description block */
 .prose {
   color: #174ea6;
@@ -137,11 +143,12 @@ button.primary:hover, .button.primary:hover {
 
 DESCRIPTION = """\
 <div class="gemini-header">
-  <h1>Hi, I'm Gemma-2! 👋</h1>
+  <h1>Gemini-Style Gemma 2 2B IT</h1>
+  <p>Welcome to our Gemini-themed interface for Google's latest iteration of open LLMs.</p>
 </div>
 
 This is a demo of [`google/gemma-2-2b-it`](https://huggingface.co/google/gemma-2-2b-it), fine-tuned for instruction following.
-For more details, please check [the post](https://huggingface.co/blog/gemma2).
+For more details, please check [our post](https://huggingface.co/blog/gemma2).
 
 👉 Looking for a larger and more powerful version? Try the 27B version in [HuggingChat](https://huggingface.co/chat/models/google/gemma-2-27b-it) and the 9B version in [this Space](https://huggingface.co/spaces/huggingface-projects/gemma-2-9b-it).
 """
@@ -228,8 +235,6 @@ gemini_theme = gr.themes.Base(
     
     slider_color=GEMINI_COLORS["blue"],
     slider_color_dark=GEMINI_COLORS["blue"],
-    
-    chatbot_code_background_color=GEMINI_COLORS["light_gray"],
 )
 
 with gr.Blocks(theme=gemini_theme, css=GEMINI_CSS) as demo:
@@ -288,4 +293,4 @@ with gr.Blocks(theme=gemini_theme, css=GEMINI_CSS) as demo:
     )
 
 if __name__ == "__main__":
-    demo.queue(max_size=20).launch(share=False)
+    demo.queue(max_size=20).launch()