/* Fix weird border on vertical tabs with Google Chromeand Safari caused by .element-invisible */
/* See http://drupal.org/node/1057912#comment-5798758 */
.element-invisible {
  border: 0;
  clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
  clip: rect(1px, 1px, 1px, 1px);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
}

.element-invisible.element-focusable:active,
.element-invisible.element-focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static !important;
  width: auto;
}