Index: wp-includes/js/tinymce/plugins/wpeditimage/css/editimage.css
===================================================================
--- wp-includes/js/tinymce/plugins/wpeditimage/css/editimage.css	(revision 20409)
+++ wp-includes/js/tinymce/plugins/wpeditimage/css/editimage.css	(working copy)
@@ -334,7 +334,7 @@
 	position: relative;
 	border-bottom-width: 1px;
 	border-bottom-style: solid;
-	height: 2.5em;
+	height: 33px;
 	background-color: #f9f9f9;
 	border-bottom-color: #dfdfdf;
 }