diff --git a/app/assets/stylesheets/card-perma.css b/app/assets/stylesheets/card-perma.css
index 792ba33e4..a9a774c8b 100644
--- a/app/assets/stylesheets/card-perma.css
+++ b/app/assets/stylesheets/card-perma.css
@@ -145,6 +145,7 @@
     }
 
     @media (max-width: 799px) {
+      --half-btn-height: 1.5rem;
       --padding-inline: 1.5ch;
 
       column-gap: 0;