Update app.py

app.py

@@ -342,7 +342,7 @@ def new_main():
             )
         with gr.Tab(label='Extract content'):
             url = gr.Textbox(label='URL', placeholder='Enter URL here', lines=1, max_lines=1)
-            elem_class = gr.Dropdown(label='CSS element class', choices=['div', 'p', 'span'], value='div')
+            elem_class = gr.Dropdown(label='CSS element class', choices=['div', 'p', 'span', 'main', 'body'], value='div')
             class_name = gr.Dropdown(label='CSS class name', choices=[], allow_custom_value=True)
 
             extract_btn = gr.Button('Extract content')