_box-sizing.scss in wiskey-0.0.4

- old
+ new

@@ -1,8 +1,9 @@
 @mixin box-sizing ($box) {
 //  content-box | border-box | inherit
-  -webkit-box-sizing: $box;
-     -moz-box-sizing: $box;
-      -ms-box-sizing: $box;
-       -o-box-sizing: $box;
-          box-sizing: $box;
+  @include experimental(box-sizing, $box,
+                        -moz, -webkit, -o, -ms, not -khtml, official)
 }
+
+// @include box-sizing(content-box);
+// @include box-sizing(border-box);
+// @include box-sizing(inherit);