update app.py

app.py

@@ -129,7 +129,7 @@ with gr.Blocks(title="Brain tumor 3D segmentation with MONAIMNIST - ClassCat",
 
     gr.HTML("""<div style="font-family:'Times New Roman', 'Serif'; font-size:16pt; font-weight:bold; text-align:center; color:royalblue;">Brain tumor 3D segmentation with MONAI</div>""")
 
-    gr.HTML("""1. Select an example, which includes input images and label images.""")
+    gr.HTML("""<h4 style="color:navy;">1. Select an example, which includes input images and label images.</h4>""")
 
     with gr.Row():
         input_image0 = gr.Image(label="image channel 0", type="pil", shape=(240, 240))