diff --git a/themes/v2/assets/css/style.scss b/themes/v2/assets/css/style.scss
index fffec6b..d4e6e66 100644
--- a/themes/v2/assets/css/style.scss
+++ b/themes/v2/assets/css/style.scss
@@ -47,6 +47,10 @@ footer {
   }
 }
 
+sup {
+  line-height: 0;
+}
+
 .nowrap {
   white-space: nowrap;
 }