Update app.py

app.py

@@ -430,7 +430,7 @@ custom_css = """
     }
     #login-group .gr-form {
         background-color: white !important;
-    },
+    }
     .light-shadow {
         box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), 0 5px 10px rgba(0, 0, 0, 0.05) !important;
     }