Update app.py

app.py

@@ -270,6 +270,9 @@ css = """
 #generate {
     height: 50%;
 }
+#cancel {
+    height: 50%;
+}
 """
 
 with gr.Blocks(css=css) as demo:
@@ -292,7 +295,7 @@ with gr.Blocks(css=css) as demo:
                                                  value="3d, cartoon, anime, (deformed eyes, nose, ears, nose), bad anatomy, ugly")
                 with gr.Column():
                     text_button = gr.Button("Generate", variant='primary', elem_id="generate")
-                    stop_btn = gr.Button("Cancel")
+                    stop_btn = gr.Button("Cancel", elem_id="cancel")
 
             with gr.Row():
                 with gr.Column(scale=3):