Update app.py

app.py

@@ -348,7 +348,7 @@ with gr.Blocks(css=STYLES) as demo:
       "This application built on [Gradio](https://www.gradio.app), and the underlying text generation is powered by [Hugging Face Inference API](https://huggingface.co/inference-api). The text generation model might"
       "be changed over time, but [meta-llama/Llama-2-70b-chat-hf](https://huggingface.co/meta-llama/Llama-2-70b-chat-hf) is selected for now.",
       elem_classes=['center', 'small-big'])
-  
+
   with gr.Row():
     with gr.Column(scale=2):
       editor = gr.Textbox(lines=32, max_lines=32, elem_classes=['no-label', 'small-big-textarea'])
@@ -359,25 +359,25 @@ with gr.Blocks(css=STYLES) as demo:
         with gr.Column(elem_classes=['group-border']):
           with gr.Column():
             gr.Markdown("`generate text` button generate continued text and attach it to the end. on the other hand, `generate alternatives` button generate alternate texts up to 3 and let you choose one of them.")
-              
+
           with gr.Row():
             gen_btn = gr.Button("generate text", elem_classes=['control-label-font', 'control-button'])
             gen_alt_btn = gr.Button("generate alternatives", elem_classes=['control-label-font', 'control-button'])
 
           with gr.Column():
-            with gr.Row(visible=False) as first_alt: 
+            with gr.Row(visible=False) as first_alt:
               gr.Markdown("↳", scale=1, elem_classes=['wrap'])
               alt_btn1 = gr.Button("Alternative 1", elem_classes=['alt-button'], scale=5)
 
-            with gr.Row(visible=False) as second_alt: 
+            with gr.Row(visible=False) as second_alt:
               gr.Markdown("↳", scale=1, elem_classes=['wrap'])
               alt_btn2 = gr.Button("Alternative 2", elem_classes=['alt-button'], scale=5)
 
-            with gr.Row(visible=False) as third_alt: 
+            with gr.Row(visible=False) as third_alt:
               gr.Markdown("↳", scale=1, elem_classes=['wrap'])
               alt_btn3 = gr.Button("Alternative 3", elem_classes=['alt-button'], scale=5)
 
-        with gr.Row(elem_classes=['']):
+        with gr.Row(elem_classes=['group-border']):
           with gr.Column():
             gr.Markdown("'Write the next paragraph based on the following stories so far.' is the default prompt when clicking `generate text`, and the text so far will always be attached to the end. By giving your own prompt, only the default prompt will be replaced.")