tabs.sass in bulma-rails-0.9.2

- old
+ new

@@ -1,4 +1,6 @@
+@import "../utilities/mixins"
+
 $tabs-border-bottom-color: $border !default
 $tabs-border-bottom-style: solid !default
 $tabs-border-bottom-width: 1px !default
 $tabs-link-color: $text !default
 $tabs-link-hover-border-bottom-color: $text-strong !default