diff --git a/ubl-settings-usergroups.css b/ubl-settings-usergroups.css
index 4c6fa9a..65cc985 100644
--- a/ubl-settings-usergroups.css
+++ b/ubl-settings-usergroups.css
@@ -134,4 +134,9 @@ background:transparent;
 
 .marginright image{
 	margin-right: 2px;
+}
+
+button {
+	min-width: 26px;
+	min-height: 24px;
 }
\ No newline at end of file