Update app.py

app.py

@@ -39,11 +39,11 @@ CSS = """
 }
 .trump-message {
     background-color: #B71C1C;
-    color: white;
+    color: white !important;
 }
 .harris-message {
     background-color: #1565C0;
-    color: white;
+    color: white !important;
 }
 .avatar {
     width: 40px;