diff --git a/media/css/firefox/challenge-the-default/_hero.scss b/media/css/firefox/challenge-the-default/_hero.scss
index a2f40778c09..1fbc65fba05 100644
--- a/media/css/firefox/challenge-the-default/_hero.scss
+++ b/media/css/firefox/challenge-the-default/_hero.scss
@@ -233,6 +233,7 @@ $campaign-red: #ff6a75;
             line-height: 1.2;
         }
 
+        .c-button-download-thanks,
         .mzp-c-button-download-privacy-link {
             text-align: left;
         }