diff --git a/themes/base/ui.dialog.css b/themes/base/ui.dialog.css
index ccdffec0c..45b80d0a4 100644
--- a/themes/base/ui.dialog.css
+++ b/themes/base/ui.dialog.css
@@ -1,7 +1,7 @@
 /* Dialog
 ----------------------------------*/
 .ui-dialog {position: relative; padding: .2em; }
-.ui-dialog-titlebar { padding: .5em .3em .3em 1em; border-top: 0; border-left: 0; border-right: 0;  }
+.ui-dialog-titlebar { padding: .5em .3em .3em 1em;  }
 .ui-dialog-title { float: left; margin: 2px 0; } 
 .ui-dialog-titlebar-close { float: right; width: 19px; margin: -.2em 0 0 0; padding: 1px; height: 18px; }
 .ui-dialog-titlebar-close span { display: block; margin: 1px; }
diff --git a/themes/base/ui.tabs.css b/themes/base/ui.tabs.css
index d9df81775..d1393fdbd 100644
--- a/themes/base/ui.tabs.css
+++ b/themes/base/ui.tabs.css
@@ -1,11 +1,11 @@
 /* Tabs
 ----------------------------------*/
 .ui-tabs {padding: .2em;}
-.ui-tabs-nav { padding: .2em .2em 0 .2em; border-bottom: 0; bottom: -1px; position: relative; }
+.ui-tabs-nav { padding: .2em .2em 0 .2em;  position: relative; }
 .ui-tabs-nav li { float: left; border-bottom: 0; margin-right: .1em; margin-bottom: 0; padding: 0; }
 .ui-tabs-nav li.ui-tabs-selected { position: relative; z-index: 10; }
 .ui-tabs-nav li a { float: left; text-decoration: none; padding: .5em 1em; position: relative; }
-.ui-tabs-nav li.ui-tabs-selected a { padding-bottom: .6em;  }
+.ui-tabs-nav li.ui-tabs-selected { padding-bottom: 1px; margin-bottom: -1px; }
 .ui-tabs-panel { clear:left; padding: 1em 1.4em;  display: block; border: 0; }
 .ui-tabs-hide { display: none !important; }
 .ui-tabs-nav li a.ui-has-icon { text-indent: 1em; }