diff --git a/tts.html b/tts.html
index 8647e33..2d0b04b 100644
--- a/tts.html
+++ b/tts.html
@@ -39,6 +39,7 @@
           $('body').addClass('bg-dark');
           $('p').addClass('text-light');
           $('select').addClass('text-light');
+          $('option').addClass('bg-dark');
           $('span').addClass('text-light');
         }
       }