Update app.py

Change from markdown to html

app.py

@@ -149,11 +149,12 @@ image_files = [
 # Gradio Interface
 with gr.Blocks(css=css) as demo:
     demo.title = "Portrait Colorizer"
-    # Add a title
-    gr.Markdown("# Portrait Colorizer")
-    gr.Markdown(
-        "Upload a grayscale image to colorize it and fine-tune the output using the sliders below."
-    )
+
+    # title
+    gr.HTML("<h1>Portrait Colorizer</h1>")
+    # description
+    gr.HTML("<p>Upload a grayscale image to colorize it and fine-tune the output using the sliders below.</p>")
+
 
     with gr.Row():
         input_image = gr.Image(