diff --git a/style.css b/style.css
index 2c5aafb..4d5fd89 100644
--- a/style.css
+++ b/style.css
@@ -412,6 +412,10 @@ article figure > figcaption:last-child {
   margin-top: 1em;
 }
 
+article details > summary {
+  cursor: pointer;
+}
+
 
 @media ( max-width: 60ch ) {
   article {