Update app.py

app.py

@@ -231,15 +231,17 @@ with gr.Blocks(css=custom_css, title="DataFormat Converter") as demo:
             """)
     
         with gr.Column():
-            with gr.Box(elem_classes=["file-box"]):
-                input_file = gr.File(label="Upload Your File")
-                conversion_type = gr.Radio(
-                    choices=["CSV to Parquet", "Parquet to CSV"], 
-                    label="Select Conversion Type",
-                    value="CSV to Parquet",
-                    elem_classes=["conversion-radio"]
-                )
-                convert_button = gr.Button("Convert Now", elem_classes=["convert-button"])
+            # Replace gr.Box with a div using gr.HTML for the file-box styling
+            gr.HTML('<div class="file-box">')
+            input_file = gr.File(label="Upload Your File")
+            conversion_type = gr.Radio(
+                choices=["CSV to Parquet", "Parquet to CSV"], 
+                label="Select Conversion Type",
+                value="CSV to Parquet",
+                elem_classes=["conversion-radio"]
+            )
+            convert_button = gr.Button("Convert Now", elem_classes=["convert-button"])
+            gr.HTML('</div>')  # Close the file-box div
             
             with gr.Accordion("Conversion Results", open=False):
                 output_file = gr.File(label="Download Converted File")