fix colu;ns

app.py

@@ -87,6 +87,8 @@ with demo:
                     placeholder="Write and press ENTER...",
                     elem_id="search-bar",
                 )
+
+        with gr.Box(elem_id="backend-checkboxes-table-box"):
             with gr.Column():
                 backend_checkboxes = gr.CheckboxGroup(
                     choices=["pytorch", "onnxruntime"],