diff --git a/assets/css/010_typography.css b/assets/css/010_typography.css
index f424499..7d588a7 100644
--- a/assets/css/010_typography.css
+++ b/assets/css/010_typography.css
@@ -82,10 +82,11 @@ p, pre {
 }
 
 sup {
-  font-size: 60%;
+  font-size: var(--text-xs);
+  line-height: 1;
+  vertical-align: text-top;
 }
 
-
 .title {
   font-size: var(--text-xxl);
 }