Merge pull request #20441 from cortopy/visibility-mixin

Visibility mixin

_visibility.scss

@@ -0,0 +1,5 @@
+// Visibility
+
+@mixin invisible {
+  visibility: hidden !important;
+}

scss/_mixins.scss

@@ -28,6 +28,7 @@
 @import "mixins/text-emphasis";
 @import "mixins/text-hide";
 @import "mixins/text-truncate";
+@import "mixins/visibility";
 
 // // Components
 @import "mixins/alert";

scss/utilities/_visibility.scss

@@ -3,7 +3,7 @@
 //
 
 .invisible {
-  visibility: hidden !important;
+  @include invisible();
 }
 
 // Responsive visibility utilities