diff --git a/asset/css/doc.css b/asset/css/doc.css
index 07c9af2e3b..d46af508cd 100644
--- a/asset/css/doc.css
+++ b/asset/css/doc.css
@@ -355,3 +355,7 @@ span.sign-expand.open::before {
   content: " \2212";
   color: #cc4e0c;
 }
+
+/* Lists of modules */
+
+.modules { list-style-type: none; padding-left:0; }