Simplified CSS responsive-invisibility mixin

diff --git a/less/mixins.less b/less/mixins.less
index 42523c2aa7b21846bcf29e940bfbedc0fc01c735..74e7177cd9ef912888729a295d06795176f016e5 100644 (file)
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -559,8 +559,8 @@
 }
 
 .responsive-invisibility() {
-  display: none !important;
-  tr& { display: none !important; }
+       &,
+  tr&,
   th&,
   td& { display: none !important; }
 }