Index: wp-includes/theme.php
===================================================================
--- wp-includes/theme.php	(revision 20860)
+++ wp-includes/theme.php	(working copy)
@@ -1592,7 +1592,7 @@
 	$l10n = array( 'url'  => admin_url( 'admin.php' ) );
 
 	if ( is_admin() )
-		$l10n[ 'back' ] = sprintf( __( '← Return to %s' ), get_admin_page_title() );
+		$l10n[ 'back' ] = __( 'Cancel' );
 
 	wp_localize_script( 'customize-loader', 'wpCustomizeLoaderL10n', $l10n );
 }
Index: wp-includes/css/customize-controls.dev.css
===================================================================
--- wp-includes/css/customize-controls.dev.css	(revision 20860)
+++ wp-includes/css/customize-controls.dev.css	(working copy)
@@ -131,6 +131,11 @@
 	margin: 0;
 }
 
+#customize-header-actions .button-primary {
+	float: right;
+	margin-top: 11px;
+}
+
 #customize-footer-actions img {
 	display: none;
 	position: absolute;
@@ -142,11 +147,6 @@
 	display: inline;
 }
 
-#customize-footer-actions .button-primary {
-	display: inline-block;
-	margin-top: 12px;
-}
-
 .customize-control {
 	width: 100%;
 	float: left;
Index: wp-admin/customize.php
===================================================================
--- wp-admin/customize.php	(revision 20860)
+++ wp-admin/customize.php	(working copy)
@@ -50,8 +50,12 @@
 	<form id="customize-controls" class="wrap wp-full-overlay-sidebar">
 		<?php wp_nonce_field( 'customize_controls' ); ?>
 		<div id="customize-header-actions" class="wp-full-overlay-header">
-			<a class="back" href="<?php echo esc_url( admin_url( 'themes.php' ) ); ?>">
-				<?php printf( __( '&larr; Return to %s' ), __('Manage Themes') ); ?>
+			<?php
+				$save_text = $wp_customize->is_theme_active() ? __( 'Save' ) : __( 'Save and Activate' );
+				submit_button( $save_text, 'primary', 'save', false );
+			?>
+			<a class="back button" href="<?php echo esc_url( admin_url( 'themes.php' ) ); ?>">
+				<?php _e( 'Cancel' ); ?>
 			</a>
 		</div>
 
@@ -81,10 +85,6 @@
 		</div>
 
 		<div id="customize-footer-actions" class="wp-full-overlay-footer">
-			<?php
-			$save_text = $wp_customize->is_theme_active() ? __('Save') : __('Save and Activate');
-			submit_button( $save_text, 'primary', 'save', false );
-			?>
 			<img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" />
 
 			<a href="#" class="collapse-sidebar button-secondary" title="<?php esc_attr_e('Collapse Sidebar'); ?>">