diff --git a/less/mixins.less b/less/mixins.less
index 74e7177cd9..6e0e399afb 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -559,7 +559,7 @@
 }
 
 .responsive-invisibility() {
-	&,
+    &,
   tr&,
   th&,
   td& { display: none !important; }