diff --git a/theme/standard/styles_layout.css b/theme/standard/styles_layout.css
index 7e2bef5b5fb..ab454510f7e 100644
--- a/theme/standard/styles_layout.css
+++ b/theme/standard/styles_layout.css
@@ -2953,6 +2953,12 @@ body#mod-forum-search .introcontent {
 .glossarydisplay .tabs .general {
 }
 
+.glossaryimportexport {
+  margin-left:auto;
+  margin-right:auto;
+  text-align:center;
+}
+
 .glossarypopup {
   width: 95%;
 }