Update app.py

app.py

@@ -26,6 +26,19 @@ new_header_html = """
 """
 
 google_style_css = """
+/* Add this rule to your google_style_css string */
+
+html.dark .content-card {
+    background-color: #fff !important;
+}
+
+/* You may also need to force the text color to be dark */
+html.dark .content-card h2,
+html.dark .content-card h3,
+html.dark .content-card h3 .title,
+html.dark .content-card p {
+    color: #2f3b7d !important;
+}
 /* Citation Block */
         .citation-block {
             position: relative;