diff --git a/css/style.css b/css/style.css
index 3f6f556d..a7beb37e 100644
--- a/css/style.css
+++ b/css/style.css
@@ -1,3 +1,8 @@
 :root {
     --content-max-width: 1000px;
 }
+
+.nav-chapters {
+    max-width: 75px;
+    min-width: 45px;
+}