update:background modification

app.py

@@ -10,13 +10,14 @@ yolov8_dff = os.path.join(os.getcwd(), "data/xai/yolov8_dff.png")
 # Netron HTML templates
 def get_netron_html(model_url):
     return f"""
-        <iframe 
-            src="{model_url}" 
-            width="100%" 
-            height="800" 
-            frameborder="0" 
-            style="background-color: black; border: 2px solid white;">
-        </iframe>
+        <div style="background-color: black; padding: 10px; border: 2px solid white;">
+            <iframe 
+                src="{model_url}" 
+                width="100%" 
+                height="800" 
+                frameborder="0">
+            </iframe>
+        </div>
     """
 
 # URLs for Netron visualizations