diff --git a/doc/sphinx/_static/site.css b/doc/sphinx/_static/site.css
index 8d18ed02b..4935ecbdb 100644
--- a/doc/sphinx/_static/site.css
+++ b/doc/sphinx/_static/site.css
@@ -129,7 +129,7 @@ dl.class, dl.function {
     border-top: 2px solid #888;
 }
 
-dl.method, dl.attribute {
+dl.method, dl.attribute, dl.staticmethod, dl.classmethod {
     border-top: 1px solid #aaa;
 }