diff -r 98a4b319bfa3 -r f62393f88eab templates/style.css
--- a/templates/style.css	Sat Oct 05 21:44:48 2019 +0200
+++ b/templates/style.css	Sat Oct 05 22:22:22 2019 +0200
@@ -31,6 +31,10 @@
 	text-decoration: none;
 }
 
+li:target, div.chapter:target {
+   background: #eee;
+}
+
 p.footer {
 	font-size: 80%;
 }