diff --git a/src/site/_mixins.scss b/src/site/_mixins.scss
index d06f45f..b9f9af2 100644
--- a/src/site/_mixins.scss
+++ b/src/site/_mixins.scss
@@ -412,6 +412,9 @@
 
 @mixin tab-container {
   margin: 0;
+  &--hidden {
+    display: none;
+  }
 }
 
 @mixin vertical-tab {