diff --git a/theme/standard/styles_layout.css b/theme/standard/styles_layout.css
index 289b0c34f23..cc643bf9939 100644
--- a/theme/standard/styles_layout.css
+++ b/theme/standard/styles_layout.css
@@ -1,3 +1,4 @@
+/* @override http://moodle18.userver.lan/theme/standard/styles_layout.css */
 /*******************************************************************
  styles_layout.css
 
@@ -1290,6 +1291,10 @@ a.skip-block, .skip-block {
   text-align: center;
 }
 
+.block_search_forums .invisiblefieldset {
+  display: block;
+}
+
 /***
  *** Blogs
  ***/