diff --git a/assets/css/typography.css b/assets/css/typography.css
index 11d7cde2..7bee5111 100644
--- a/assets/css/typography.css
+++ b/assets/css/typography.css
@@ -109,5 +109,6 @@ article details > summary {
     height: 1.2em;
     width: 1.2em;
     vertical-align: -4px;
+    padding: 0 0.6em;
   }
 }