update

app.py

@@ -12,13 +12,13 @@ with gr.Blocks() as demo:
     # 多个tab
     with gr.Tabs():
 
-        with gr.TabItem("E-FB15k237"):
+        with gr.TabItem("E-FB15k237", css="#warning {color: red}"):
             title = gr.Textbox(label="Input", lines=1, placeholder="Mask triple input")
             origin_button = gr.Button("Origin")
             origin_output = gr.Textbox(label="Before Edit", lines=2, placeholder="")
 
             alter_label = gr.Textbox(label="Alter Entity", lines=1, placeholder="Entity Name")            
-            edit_button = gr.Button("Edit", elem_id="{background-color: red}")
+            edit_button = gr.Button("Edit", elem_id="warning")
 
             edit_output = gr.Textbox(label="After Edit", lines=2, placeholder="")