Update app.py

app.py

@@ -490,7 +490,7 @@ intro_image_css = """
     max-width: 400px;
     width: 90%;
     height: auto;
-    margin: 2rem auto 1rem auto; /* Adjusted margin slightly */
+    margin: 0rem auto 0rem auto; /* Adjusted margin slightly */
     border-radius: 8px;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
 }