Update app.py

app.py

@@ -177,8 +177,11 @@ def process_images(uploaded_file):
 
 css = """
     body { font-family: Arial, sans-serif; }
-    .input-container { width: 95%; margin: auto; }
-    .output-container { width: 95%; margin: auto; }
+    .input-container, .output-container { 
+        width: 95%; 
+        margin: 10px auto 20px; /* centers the containers and adds vertical spacing */
+        display: block; /* ensures containers are treated as block elements */
+    }
 """
 
 interface = gr.Interface(