Update app.py

app.py

@@ -257,6 +257,10 @@ with gr.Blocks(
     .prose * {
         color: #4b5563 !important;
     }
+    .card-header,
+    .card-header * {
+        color: white !important;
+    }
     .example-grid {
         display: grid !important;
         grid-template-columns: 1fr !important;