change theme

app.py

@@ -94,7 +94,10 @@ examples = [[path.as_posix(), 0.4, 0.7, "Use persons and faces"] for path in sor
 
 func = functools.partial(detect, predictor=predictor)
 
-with gr.Blocks(css='style.css') as demo:
+with gr.Blocks(
+    theme=gr.themes.Default(),
+    css="style.css"
+) as demo:
     gr.Markdown(DESCRIPTION)
     with gr.Row():
         with gr.Column():
@@ -109,7 +112,7 @@ with gr.Blocks(css='style.css') as demo:
             with gr.Row():
                 clear_button = gr.Button("Clear")
                 with gr.Column():
-                    run_button = gr.Button("Submit")
+                    run_button = gr.Button("Submit", variant="primary")
         with gr.Column():
             result = gr.Image(label='Output', type='numpy')