diff --git a/src/Elastic.Markdown/Assets/styles.css b/src/Elastic.Markdown/Assets/styles.css
index f7b3394d8..5c710927c 100644
--- a/src/Elastic.Markdown/Assets/styles.css
+++ b/src/Elastic.Markdown/Assets/styles.css
@@ -241,3 +241,7 @@ body {
 	display: grid;
 	grid-template-rows: auto auto 1fr auto;
 }
+
+#pages-nav details > summary::-webkit-details-marker {
+	display: none;
+}