Update app.py

app.py

@@ -63,8 +63,8 @@ css = """
 #image_upload, #output-img {
     border: 4px solid black;
     border-radius: 8px;
-    width: 256px;
-    height: 256px;
+    width: 356px;
+    height: 356px;
     object-fit: cover;
 }