[update]chage font-color

app.py

@@ -118,9 +118,15 @@ def from_image_files(images, text_class_name):
 
 if __name__=="__main__":
 
-       
+    theme = gr.themes.Default(
+        neutral_hue="slate",
+    )
+        
     with gr.Blocks(
-        css=".gradio-container {background: url('file=./assets/codioful-formerly-gradienta-bKESVqfxass-unsplash.jpg')}"
+        theme=theme,
+        css=".gradio-container {\
+            background: url('file=./assets/codioful-formerly-gradienta-bKESVqfxass-unsplash.jpg')\
+        }"
     ) as demo: