run make after that breadcrumbs tweak

docs/assets/css/bootstrap.css

@@ -3982,6 +3982,10 @@ button.close {
   content: "\00a0 /";
 }
 
+.breadcrumb > li:last-child:after {
+  content: "";
+}
+
 .breadcrumb > .active {
   color: #999999;
 }