[update]

app.py

@@ -125,15 +125,13 @@ def from_image_files(images, text_class_name):
 
 if __name__=="__main__":
 
-    theme = gr.themes.Default(
+    custom_theme = gr.themes.Base(
         primary_hue="zinc",
-        neutral_hue="red",
-    ).set(
-        link_text_color='*primary_50'
+        neutral_hue="slate",
     )
         
     with gr.Blocks(
-        theme=theme,
+        theme=custom_theme,
         css=".gradio-container {\
             background: url('file=./assets/codioful-formerly-gradienta-bKESVqfxass-unsplash.jpg')\
         }"