Tabs: Adjust CSS to fix a display issue in IE. Fixes #5520 - Tabs: Bottom border disappears in IE.

Thanks pmawhinney

Author: scottgonzalez

themes/base/jquery.ui.tabs.css

@@ -9,7 +9,7 @@
  */
 .ui-tabs { position: relative; padding: .2em; zoom: 1; } /* position: relative prevents IE scroll bug (element with position: relative inside container with overflow: auto appear as "fixed") */
 .ui-tabs .ui-tabs-nav { margin: 0; padding: .2em .2em 0; }
-.ui-tabs .ui-tabs-nav li { list-style: none; float: left; position: relative; top: 1px; margin: 0 .2em 1px 0; border-bottom: 0 !important; padding: 0; white-space: nowrap; }
+.ui-tabs .ui-tabs-nav li { list-style: none; float: left; position: relative; top: 1px; margin: 0 .2em -1px 0; border-bottom: 0 !important; padding: 0; white-space: nowrap; }
 .ui-tabs .ui-tabs-nav li a { float: left; padding: .5em 1em; text-decoration: none; }
 .ui-tabs .ui-tabs-nav li.ui-tabs-active { margin-bottom: 0; padding-bottom: 1px; }
 .ui-tabs .ui-tabs-nav li.ui-tabs-active a, .ui-tabs .ui-tabs-nav li.ui-state-disabled a, .ui-tabs .ui-tabs-nav li.ui-tabs-loading a { cursor: text; }