Update app.py

app.py

@@ -66,7 +66,7 @@ def fx_dt(dc,x,y):
     D_table=DT[:,sum(f[int(y-1)]),by(f[int(x-1)])]
     return D_table.to_pandas()
     
-demo=gr.Blocks(css="#jsc {color: red}")
+demo=gr.Blocks(css="#jsc:hover{background-color: red;}")
 with demo:
     with gr.Tabs():
         with gr.TabItem("测试1"):