1 files changed, 7 insertions, 4 deletions
diff --git a/static/style.css b/static/style.css
index b2584d7..0afbc61 100644
--- a/static/style.css
+++ b/static/style.css
@@ -47,9 +47,12 @@ body {
 	border: 1px solid black;
 }
 
-.expander-hidden {
-	display: none;
-}
-.expander-toggle {
+details summary {
 	cursor: pointer;
 }
+details summary::marker {
+	content: '\25BA';
+}
+details[open] summary::marker {
+	content: '\25BC';
+}