Update stable_cascade.py

stable_cascade.py

@@ -126,7 +126,7 @@ def web_demo():
                     label="Generated images",
                     show_label=False,
                     elem_id="gallery",
-                ).style(grid=(1, 2), height=200)
+                ).style(grid=(1, 2), height=300)
                 
             text2image_predict.click(
                 fn=generate_images,