Update app.py

app.py

@@ -177,8 +177,14 @@ def infer(video_in):
     final_merged_out = merge_audio_to_video(video_in, wave_files[0])
     return wave_files[0], 'spectrogram.png', final_merged_out
 
-
-with gr.Blocks() as demo:
+css="""
+#col-container {
+    max-width: 920px;
+    margin: 0 auto;
+}
+"""
+
+with gr.Blocks(css=css) as demo:
     with gr.Column(elem_id="col-container"):
         gr.Markdown("# Video-to-Audio Generation with Hidden Alignment")
         gr.HTML("""