diff --git a/evolution_of_the_internet/eoti_assets/eoti.css b/evolution_of_the_internet/eoti_assets/eoti.css
index 3561043..3b3e87c 100644
--- a/evolution_of_the_internet/eoti_assets/eoti.css
+++ b/evolution_of_the_internet/eoti_assets/eoti.css
@@ -1,3 +1,6 @@
-details summary::-webkit-details-marker {
-  display:none;
+details > summary {
+  list-style: none;
+}
+details > summary::-webkit-details-marker {
+  display: none;
 }
\ No newline at end of file