Index: wp-admin/css/common-rtl.css
===================================================================
--- wp-admin/css/common-rtl.css	(revision 30796)
+++ wp-admin/css/common-rtl.css	(working copy)
@@ -998,10 +998,9 @@
 	margin: 0;
 	padding: 3px 5px;
 	max-width: 280px;
-	width: 100%;
 	font-size: 16px;
 	font-weight: 300;
-	line-height: 1.5;
+	line-height: 1.65;
 }
 
 .wp-filter .search-form select {
Index: wp-admin/css/common.css
===================================================================
--- wp-admin/css/common.css	(revision 30796)
+++ wp-admin/css/common.css	(working copy)
@@ -998,10 +998,9 @@
 	margin: 0;
 	padding: 3px 5px;
 	max-width: 280px;
-	width: 100%;
 	font-size: 16px;
 	font-weight: 300;
-	line-height: 1.5;
+	line-height: 1.65;
 }
 
 .wp-filter .search-form select {