Update app.py

app.py

@@ -967,7 +967,41 @@ def main():
     users = recommender.get_all_users()
     recommender.close()
 
-    with gr.Blocks(title="Let's Talk - Question Recommender", theme=gr.themes.Soft(), css=custom_css) as iface:
+    with gr.Blocks(title="Let's Talk - Question Recommender", theme=gr.themes.Default().set(
+        primary_hue="blue",
+        primary_50="#8ecae6",
+        primary_100="#8ecae6",
+        primary_200="#8ecae6",
+        primary_300="#219ebc",
+        primary_400="#219ebc",
+        primary_500="#219ebc",
+        primary_600="#023047",
+        primary_700="#023047",
+        primary_800="#023047",
+        primary_900="#023047",
+        secondary_hue="orange",
+        secondary_50="#ffb703",
+        secondary_100="#ffb703",
+        secondary_200="#ffb703",
+        secondary_300="#fb8500",
+        secondary_400="#fb8500",
+        secondary_500="#fb8500",
+        secondary_600="#fb8500",
+        secondary_700="#fb8500",
+        secondary_800="#fb8500",
+        secondary_900="#fb8500",
+        neutral_50="#f9fafc",
+        neutral_100="#f9fafc",
+        neutral_200="#e2e8f0",
+        neutral_300="#cbd5e1",
+        neutral_400="#94a3b8",
+        neutral_500="#64748b",
+        neutral_600="#475569",
+        neutral_700="#334155",
+        neutral_800="#1e293b",
+        neutral_900="#0f172a",
+        neutral_950="#020617",
+    ), css=custom_css) as iface:
         gr.Markdown("""
         # 🤝 Let's Talk - Question Recommender
         Find questions that two users might be interested in discussing together based on their common interests.