diff --git a/app/javascript/styles/mastodon/emoji_picker.scss b/app/javascript/styles/mastodon/emoji_picker.scss
index 14ce6a14b5..9473858371 100644
--- a/app/javascript/styles/mastodon/emoji_picker.scss
+++ b/app/javascript/styles/mastodon/emoji_picker.scss
@@ -112,10 +112,9 @@
       border: 0;
     }
 
-    &::-moz-focus-inner,
     &:focus,
     &:active {
-      outline: 0 !important;
+      outline: none !important;
     }
 
     &::-webkit-search-cancel-button {