diff --git a/app/assets/stylesheets/avatars.css b/app/assets/stylesheets/avatars.css
index 7081edf80..e3f15d4ab 100644
--- a/app/assets/stylesheets/avatars.css
+++ b/app/assets/stylesheets/avatars.css
@@ -22,11 +22,6 @@
       max-inline-size: 100%;
       object-fit: cover;
     }
-
-    /* FF fix */
-    &.btn {
-      justify-content: normal;
-    }
   }
 
   .avatar__form {
diff --git a/app/assets/stylesheets/buttons.css b/app/assets/stylesheets/buttons.css
index 49b9aafb3..5c787aeea 100644
--- a/app/assets/stylesheets/buttons.css
+++ b/app/assets/stylesheets/buttons.css
@@ -73,6 +73,7 @@
     block-size: var(--btn-size);
     display: grid;
     inline-size: var(--btn-size);
+    justify-content: normal; /* FF fix */
     place-items: center;
 
     > * {