Julian Thilo fea69df80c Fix responsive utilities for table elements
This change prevents situations where specificity causes some rules to
be overridden by the ones intended for mobile.
* Added mixin `responsive-invisibility()`
* Swapped out `display: none !important;` for new mixin
2013-07-01 21:13:57 +02:00
..
2013-02-12 12:44:41 -08:00
2013-06-28 00:08:19 -07:00