Index: src/wp-admin/css/themes.css
===================================================================
--- src/wp-admin/css/themes.css	(revision 38686)
+++ src/wp-admin/css/themes.css	(working copy)
@@ -1016,10 +1016,6 @@
 	content: '';
 }
 
-.theme-install-php .wp-filter {
-	padding: 0 20px;
-}
-
 .theme-install-php a.upload,
 .theme-install-php a.browse-themes {
 	cursor: pointer;
Index: src/wp-admin/includes/class-walker-nav-menu-edit.php
===================================================================
--- src/wp-admin/includes/class-walker-nav-menu-edit.php	(revision 38686)
+++ src/wp-admin/includes/class-walker-nav-menu-edit.php	(working copy)
@@ -236,8 +236,23 @@
 				<input class="menu-item-data-type" type="hidden" name="menu-item-type[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->type ); ?>" />
 			</div><!-- .menu-item-settings-->
 			<ul class="menu-item-transport"></ul>
+		</li>
 		<?php
 		$output .= ob_get_clean();
 	}
 
+	/**
+	 * Ends the element output, if needed.
+	 *
+	 * @see Walker_Nav_Menu::end_el()
+	 *
+	 * @since x.y.z
+	 *
+	 * @param string $output   Passed by reference. Used to append additional content.
+	 * @param object $item     Page data object. Not used.
+	 * @param int    $depth    Depth of page. Not used.
+	 * @param array  $args     An array of wp_nav_menu() arguments.
+	 */
+	public function end_el( &$output, $item, $depth = 0, $args = array() ) {}
+
 } // Walker_Nav_Menu_Edit
Index: src/wp-admin/theme-install.php
===================================================================
--- src/wp-admin/theme-install.php	(revision 38686)
+++ src/wp-admin/theme-install.php	(working copy)
@@ -45,7 +45,7 @@
 	'l10n' => array(
 		'addNew'              => __( 'Add New Theme' ),
 		'search'              => __( 'Search Themes' ),
-		'searchPlaceholder'   => __( 'Search themes...' ), // placeholder (no ellipsis)
+		'searchPlaceholder'   => __( 'Search Themes' ), // placeholder (no ellipsis)
 		'upload'              => __( 'Upload Theme' ),
 		'back'                => __( 'Back' ),
 		'error'               => __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ),
Index: src/wp-admin/themes.php
===================================================================
--- src/wp-admin/themes.php	(revision 38686)
+++ src/wp-admin/themes.php	(working copy)
@@ -137,7 +137,7 @@
  	'l10n' => array(
  		'addNew'            => __( 'Add New Theme' ),
  		'search'            => __( 'Search Installed Themes' ),
- 		'searchPlaceholder' => __( 'Search installed themes...' ), // placeholder (no ellipsis)
+ 		'searchPlaceholder' => __( 'Search Installed Themes' ), // placeholder (no ellipsis)
 		'themesFound'       => __( 'Number of Themes found: %d' ),
 		'noThemesFound'     => __( 'No themes found. Try a different search.' ),
   	),