Index: trunk/wp-admin/includes/media.php
===================================================================
--- trunk/wp-admin/includes/media.php	(revision 7638)
+++ trunk/wp-admin/includes/media.php	(working copy)
@@ -665,15 +665,15 @@
 	$toggle_links
 	<div class='filename new'>$display_title</div>
 	<table class='slidetoggle describe $class'>
-		<tbody class='media-item-info'>
+		<thead class='media-item-info'>
 		<tr>
 			<td class='A1B1' rowspan='4'><img class='thumbnail' src='$thumb_url' alt='' /></td>
 			<td>$filename</td>
 		</tr>
-		<td>$post->post_mime_type</td></tr>
+		<tr><td>$post->post_mime_type</td></tr>
 		<tr><td>" . mysql2date($post->post_date, get_option('time_format')) . "</td></tr>
-		<tr><td>" . apply_filters('media_meta', '', $post) . "</tr></td>
-		</tbody>
+		<tr><td>" . apply_filters('media_meta', '', $post) . "</td></tr>
+		</thead>
 		<tbody>\n";
 
 	$defaults = array(
@@ -744,6 +744,7 @@
 
 	if ( !empty($form_fields['_final']) )
 		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
+	$item .= "\t</tbody>\n";
 	$item .= "\t</table>\n";
 
 	foreach ( $hidden_fields as $name => $value )
Index: trunk/wp-admin/css/media.css
===================================================================
--- trunk/wp-admin/css/media.css	(revision 7638)
+++ trunk/wp-admin/css/media.css	(working copy)
@@ -137,15 +137,15 @@
 	max-width: 40px;
 }
 
-tbody.media-item-info tr {
+thead.media-item-info tr {
 	background-color: transparent;
 }
-tbody.media-item-info th, tbody.media-item-info td {
+thead.media-item-info th, thead.media-item-info td {
 	border: none;
 	margin: 0;
 }
 
-.form-table tbody.media-item-info {
+.form-table thead.media-item-info {
 	border: 8px solid #fff;
 }