diff --git a/wp-admin/css/colors-classic.dev.css b/wp-admin/css/colors-classic.dev.css
index b7d3c2da5e..6d418989a3 100644
--- a/wp-admin/css/colors-classic.dev.css
+++ b/wp-admin/css/colors-classic.dev.css
@@ -2115,7 +2115,6 @@ div.widgets-sortables,
 	border-bottom-color: #eff8ff;
 }
 
-/* custom header & background pages */
 #upload-form label {
 	color: #777;
 }
diff --git a/wp-admin/css/colors-fresh.dev.css b/wp-admin/css/colors-fresh.dev.css
index 2bbaa3da59..c8e127eb51 100644
--- a/wp-admin/css/colors-fresh.dev.css
+++ b/wp-admin/css/colors-fresh.dev.css
@@ -182,8 +182,7 @@ h3.dashboard-widget-title small,
 .sidebar-name,
 #nav-menu-header,
 #nav-menu-footer,
-.menu-item-handle,
-#fullscreen-topbar {
+.menu-item-handle {
 	background-color: #f1f1f1; /* Fallback */
 	background-image: -ms-linear-gradient(top, #f9f9f9, #ececec); /* IE10 */
 	background-image: -moz-linear-gradient(top, #f9f9f9, #ececec); /* Firefox */
@@ -1736,25 +1735,9 @@ div.widgets-sortables,
 	border-bottom-color: #f9f9f9;
 }
 
-/* custom header & background pages */
 #upload-form label {
 	color: #777;
 }
-/* custom header & background pages */
-
-/* full screen */
-.fullscreen-overlay {
-	background: #fff;
-}
-
-.wp-fullscreen-focus #wp-fullscreen-title,
-.wp-fullscreen-focus #wp-fullscreen-container {
-	border-color: #ccc;
-}
-
-#fullscreen-topbar {
-	border-bottom-color: #DFDFDF;
-}
 
 /* Begin About Pages */
 
diff --git a/wp-admin/css/wp-admin-rtl.dev.css b/wp-admin/css/wp-admin-rtl.dev.css
index 172b22eaa4..48f9478399 100644
--- a/wp-admin/css/wp-admin-rtl.dev.css
+++ b/wp-admin/css/wp-admin-rtl.dev.css
@@ -203,98 +203,6 @@ form.upgrade .hint {
 	margin: 1px 1px 1px 2px;
 }
 
-/* Distraction Free Writing mode
- * =Overlay Styles
--------------------------------------------------------------- */
-
-/* No RTL for now, this space intentionally left blank */
-
-/* =Overlay Body
--------------------------------------------------------------- */
-#wp-fullscreen-body {
-	right: 0;
-	left:auto;
-}
-
-#wp-fullscreen-tagline {
-	float: left;
-}
-
-/* =Top bar
--------------------------------------------------------------- */
-#fullscreen-topbar {
-	left:auto;
-	right: 0;
-}
-
-#wp-fullscreen-mode-bar,
-#wp-fullscreen-button-bar,
-#wp-fullscreen-close,
-#wp-fullscreen-count {
-	float: right;
-}
-
-#wp-fullscreen-save {
-	float: left;
-}
-
-#wp-fullscreen-save {
-	padding: 2px 5px 0 2px;
-}
-
-#wp-fullscreen-buttons > div {
-	float: right;
-}
-
-#wp-fullscreen-mode-bar {
-	padding: 1px 0 0 14px;
-}
-
-#wp-fullscreen-modes a {
-	float: right;
-	border-width: 1px 0 1px 1px;
-}
-
-#wp-fullscreen-modes a:first-child {
-	-webkit-border-top-left-radius: 0;
-	-webkit-border-top-right-radius: 3px;
-	-webkit-border-bottom-left-radius: 0;
-	-webkit-border-bottom-right-radius: 3px;
-	border-width: 1px;
-	border-top-left-radius: 0;
-	border-top-right-radius: 3px;
-	border-bottom-right-left: 0;
-	border-bottom-right-radius: 3px;
-}
-
-#wp-fullscreen-modes a:last-child {
-	-webkit-border-top-right-radius: 0;
-	-webkit-border-top-left-radius: 3px;
-	-webkit-border-bottom-right-radius: 0;
-	-webkit-border-bottom-left-radius: 3px;
-	border-top-right-radius: 0;
-	border-top-left-radius: 3px;
-	border-bottom-right-radius: 0;
-	border-bottom-left-radius: 3px;
-}
-
-#wp-fullscreen-save img,
-#wp-fullscreen-save span {
-	padding-right: 0;
-	padding-left: 4px;
-}
-
-/* =Thickbox Adjustments
--------------------------------------------------------------- */
-/* No RTL for now, this space intentionally left blank */
-
-
-/* =TinyMCE Adjustments
--------------------------------------------------------------- */
-/* No RTL for now, this space intentionally left blank */
-
-
-
 /*------------------------------------------------------------------------------
   6.0 - Admin Header
 ------------------------------------------------------------------------------*/
@@ -2490,4 +2398,4 @@ body.login.locale-he-il,
 .locale-he-il em {
 	font-style: normal;
 	font-weight: bold;
-}
\ No newline at end of file
+} 
diff --git a/wp-admin/css/wp-admin.dev.css b/wp-admin/css/wp-admin.dev.css
index d7505cf5ae..575de03413 100644
--- a/wp-admin/css/wp-admin.dev.css
+++ b/wp-admin/css/wp-admin.dev.css
@@ -632,53 +632,6 @@ div.error p {
 }
 
 
-/* =CSS 3 transitions
--------------------------------------------------------------- */
-
-.fade-1000,
-.fade-600,
-.fade-400,
-.fade-300 {
-	opacity: 0;
-	-moz-transition-property: opacity;
-	-webkit-transition-property: opacity;
-	-o-transition-property: opacity;
-	transition-property: opacity;
-}
-
-.fade-1000 {
-	-moz-transition-duration: 1s;
-	-webkit-transition-duration: 1s;
-	-o-transition-duration: 1s;
-	transition-duration: 1s;
-}
-
-.fade-600 {
-	-moz-transition-duration: 0.6s;
-	-webkit-transition-duration: 0.6s;
-	-o-transition-duration: 0.6s;
-	transition-duration: 0.6s;
-}
-
-.fade-400 {
-	-moz-transition-duration: 0.4s;
-	-webkit-transition-duration: 0.4s;
-	-o-transition-duration: 0.4s;
-	transition-duration: 0.4s;
-}
-
-.fade-300 {
-	-moz-transition-duration: 0.3s;
-	-webkit-transition-duration: 0.3s;
-	-o-transition-duration: 0.3s;
-	transition-duration: 0.3s;
-}
-
-.fade-trigger {
-	opacity: 1;
-}
-
-
 /*------------------------------------------------------------------------------
   1.0 - Text Styles
 ------------------------------------------------------------------------------*/
@@ -1139,261 +1092,6 @@ form.upgrade .hint {
 }
 
 
-/* Distraction Free Writing mode
- * =Overlay Styles
--------------------------------------------------------------- */
-.fullscreen-overlay {
-	z-index: 149999;
-	display: none;
-	position: fixed;
-	top: 0;
-	bottom: 0;
-	left: 0;
-	right: 0;
-	filter: inherit;
-}
-
-.fullscreen-active .fullscreen-overlay,
-.fullscreen-active #wp-fullscreen-body {
-	display: block;
-}
-
-.fullscreen-fader {
-	z-index: 200000;
-}
-
-.fullscreen-active .fullscreen-fader {
-	display: none;
-}
-
-/* =Overlay Body
--------------------------------------------------------------- */
-#wp-fullscreen-body {
-	width: 100%;
-	z-index: 150005;
-	display: none;
-	position: absolute;
-	top: 0;
-	left: 0;
-}
-
-#wp-fullscreen-wrap {
-	margin: 0 auto 50px;
-	position: relative;
-	padding-top: 60px;
-}
-
-#wp-fullscreen-title {
-    font-size: 1.7em;
-    line-height: 100%;
-    outline: medium none;
-    padding: 6px 7px;
-    width: 100%;
-    margin-bottom: 30px;
-}
-
-#wp-fullscreen-container {
-	padding: 4px 10px 50px;
-}
-
-#wp-fullscreen-title,
-#wp-fullscreen-container {
-	-webkit-border-radius: 0;
-	border-radius: 0;
-	border: 1px dashed transparent;
-	background: transparent;
-	-moz-transition-property: border-color;
-	-moz-transition-duration: 0.6s;
-	-webkit-transition-property: border-color;
-	-webkit-transition-duration: 0.6s;
-	-o-transition-property: border-color;
-	-o-transition-duration: 0.6s;
-	transition-property: border-color;
-	transition-duration: 0.6s;
-}
-
-#wp_mce_fullscreen {
-	width: 100%;
-	min-height: 300px;
-	border: 0;
-	background: transparent;
-	font-family: Consolas, Monaco, monospace;
-	line-height: 1.6em;
-	padding: 0;
-	overflow-y: hidden;
-	outline: none;
-	resize: none;
-}
-
-#wp-fullscreen-tagline {
-	color: #BBBBBB;
-	font-size: 18px;
-	float: right;
-	padding-top: 5px;
-}
-
-/* =Top bar
--------------------------------------------------------------- */
-#fullscreen-topbar {
-	position: fixed;
-	top: 0;
-	left: 0;
-	z-index: 150050;
-	border-bottom-style: solid;
-	border-bottom-width: 1px;
-	min-width: 800px;
-	width: 100%;
-	height: 40px;
-}
-
-#wp-fullscreen-toolbar {
-	padding: 6px 10px 0;
-	clear: both;
-	max-width: 1100px;
-	min-width: 820px;
-	margin: 0 auto;
-}
-
-#wp-fullscreen-mode-bar,
-#wp-fullscreen-button-bar,
-#wp-fullscreen-close,
-#wp-fullscreen-count {
-	float: left;
-}
-
-#wp-fullscreen-save {
-	float: right;
-	padding: 2px 2px 0 5px;
-}
-
-#wp-fullscreen-count,
-#wp-fullscreen-close {
-	padding-top: 5px;
-}
-
-#wp-fullscreen-central-toolbar {
-	margin: auto;
-	padding: 0;
-}
-
-#wp-fullscreen-buttons > div {
-	float: left;
-}
-
-#wp-fullscreen-mode-bar {
-	padding: 1px 14px 0 0;
-}
-
-#wp-fullscreen-modes a {
-	display: block;
-	font-size: 11px;
-	text-decoration: none;
-	float: left;
-	margin: 1px 0 0 0;
-	padding: 2px 6px 2px;
-	border-width: 1px 1px 1px 0;
-	border-style: solid;
-	border-color: #bbb;
-	color: #777;
-	text-shadow: 0 1px 0 #fff;
-	background-color: #f4f4f4;
-	background-image: -moz-linear-gradient(bottom,  #e4e4e4,  #f9f9f9);
-	background-image: -webkit-gradient(linear, left bottom, left top, from(#e4e4e4), to(#f9f9f9));
-}
-
-#wp-fullscreen-modes a:hover,
-.wp-html-mode #wp-fullscreen-modes a:last-child,
-.wp-tmce-mode #wp-fullscreen-modes a:first-child {
-	color: #333;
-	border-color: #999;
-	background-color: #eee;
-	background-image: -moz-linear-gradient(bottom,  #f9f9f9,  #e0e0e0);
-	background-image: -webkit-gradient(linear, left bottom, left top, from(#f9f9f9), to(#e0e0e0));
-}
-
-#wp-fullscreen-modes a:first-child {
-	border-width: 1px;
-	-webkit-border-top-left-radius: 3px;
-	-webkit-border-bottom-left-radius: 3px;
-	border-top-left-radius: 3px;
-	border-bottom-left-radius: 3px;
-}
-
-#wp-fullscreen-modes a:last-child {
-	-webkit-border-top-right-radius: 3px;
-	-webkit-border-bottom-right-radius: 3px;
-	border-top-right-radius: 3px;
-	border-bottom-right-radius: 3px;
-}
-
-#wp-fullscreen-buttons .active a {
-	background: inherit;
-}
-
-#wp-fullscreen-buttons .hidden {
-	display: none;
-}
-
-#wp-fullscreen-buttons .disabled {
-	opacity: 0.5;
-}
-
-.wp-html-mode #wp-fullscreen-buttons div {
-	display: none;
-}
-
-.wp-html-mode #wp-fullscreen-buttons div.wp-fullscreen-both {
-	display: block;
-}
-
-#fullscreen-topbar.fullscreen-make-sticky {
-	display: block !important;
-}
-
-#wp-fullscreen-save img {
-	vertical-align: middle;
-}
-
-#wp-fullscreen-save img,
-#wp-fullscreen-save span {
-	padding-right: 4px;
-	display: none;
-}
-
-#wp-fullscreen-buttons .mce_image .mce_image {
-	background-image: url('../images/menu.png?ver=20120201');
-	background-position: -124px -38px;
-}
-
-#wp-fullscreen-buttons .mce_image .mce_image:hover {
-	background-position: -124px -6px;
-}
-
-/* =Thickbox Adjustments
--------------------------------------------------------------- */
-.fullscreen-active #TB_overlay {
-	z-index: 150100;
-}
-
-.fullscreen-active #TB_window {
-	z-index: 150102;
-}
-
-/* =TinyMCE Adjustments
--------------------------------------------------------------- */
-#wp_mce_fullscreen_ifr {
-	background: transparent;
-}
-
-#wp_mce_fullscreen_parent #wp_mce_fullscreen_tbl tr.mceFirst {
-	display : none;
-}
-
-#wp-fullscreen-container .wp_themeSkin table td {
-	vertical-align: top;
-}
-
-
 /*------------------------------------------------------------------------------
   6.0 - Admin Header
 ------------------------------------------------------------------------------*/
diff --git a/wp-admin/js/wp-fullscreen.dev.js b/wp-admin/js/wp-fullscreen.dev.js
index eaf0efc465..4d4d8c487d 100644
--- a/wp-admin/js/wp-fullscreen.dev.js
+++ b/wp-admin/js/wp-fullscreen.dev.js
@@ -138,21 +138,17 @@ PubSub.prototype.publish = function( topic, args ) {
 			return;
 
 		// Settings can be added or changed by defining "wp_fullscreen_settings" JS object.
-		// This can be done by defining it as PHP associative array, json encoding it and passing it to JS with:
-		// wp_add_script_before( 'wp-fullscreen', 'wp_fullscreen_settings = ' . $json_encoded_array . ';' );
 		if ( typeof(wp_fullscreen_settings) == 'object' )
 			$.extend( s, wp_fullscreen_settings );
 
 		s.editor_id = wpActiveEditor || 'content';
 
-		if ( !s.title_id ) {
-			if ( $('input#title').length && s.editor_id == 'content' )
-				s.title_id = 'title';
-			else if ( $('input#' + s.editor_id + '-title').length ) // the title input field should have [editor_id]-title HTML ID to be auto detected
-				s.title_id = s.editor_id + '-title';
-			else
-				$('#wp-fullscreen-title, #wp-fullscreen-title-prompt-text').hide();
-		}
+		if ( $('input#title').length && s.editor_id == 'content' )
+			s.title_id = 'title';
+		else if ( $('input#' + s.editor_id + '-title').length ) // the title input field should have [editor_id]-title HTML ID to be auto detected
+			s.title_id = s.editor_id + '-title';
+		else
+			$('#wp-fullscreen-title, #wp-fullscreen-title-prompt-text').hide();
 
 		s.mode = $('#' + s.editor_id).is(':hidden') ? 'tinymce' : 'html';
 		s.qt_canvas = $('#' + s.editor_id).get(0);
diff --git a/wp-includes/class-wp-editor.php b/wp-includes/class-wp-editor.php
index fdd4fbf91d..1b00800855 100644
--- a/wp-includes/class-wp-editor.php
+++ b/wp-includes/class-wp-editor.php
@@ -618,7 +618,7 @@ final class _WP_Editors {
 		$dfw_width = get_user_setting( 'dfw_width', $width );
 		$save = isset($post->post_status) && $post->post_status == 'publish' ? __('Update') : __('Save');
 	?>
-	<div id="wp-fullscreen-body">
+	<div id="wp-fullscreen-body"<?php if ( is_rtl() ) echo ' class="rtl"'; ?>>
 	<div id="fullscreen-topbar">
 		<div id="wp-fullscreen-toolbar">
 			<div id="wp-fullscreen-close"><a href="#" onclick="fullscreen.off();return false;"><?php _e('Exit fullscreen'); ?></a></div>
@@ -669,7 +669,7 @@ final class _WP_Editors {
 
 			<div id="wp-fullscreen-save">
 				<span><?php if ( $post->post_status == 'publish' ) _e('Updated.'); else _e('Saved.'); ?></span>
-				<img src="images/wpspin_light.gif" alt="" />
+				<img src="<?php echo admin_url('images/wpspin_light.gif'); ?>" alt="" />
 				<input type="button" class="button-primary" value="<?php echo $save; ?>" onclick="fullscreen.save();" />
 			</div>
 
diff --git a/wp-includes/css/editor-buttons.dev.css b/wp-includes/css/editor-buttons.dev.css
index fda265ac16..bc91fd14ec 100644
--- a/wp-includes/css/editor-buttons.dev.css
+++ b/wp-includes/css/editor-buttons.dev.css
@@ -1614,3 +1614,408 @@ RTL
 .clearlooks2 .mceFocus .mceTop span {
 	color: #e5e5e5;
 }
+
+
+/* Distraction Free Writing mode
+ * =Overlay Styles
+-------------------------------------------------------------- */
+.fullscreen-overlay {
+	z-index: 149999;
+	display: none;
+	position: fixed;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	right: 0;
+	filter: inherit;
+}
+
+.fullscreen-active .fullscreen-overlay,
+.fullscreen-active #wp-fullscreen-body {
+	display: block;
+}
+
+.fullscreen-fader {
+	z-index: 200000;
+}
+
+.fullscreen-active .fullscreen-fader {
+	display: none;
+}
+
+/* =Overlay Body
+-------------------------------------------------------------- */
+#wp-fullscreen-body {
+	width: 100%;
+	z-index: 150005;
+	display: none;
+	position: absolute;
+	top: 0;
+	left: 0;
+	font-size: 12px;
+}
+
+#wp-fullscreen-wrap {
+	margin: 0 auto 50px;
+	position: relative;
+	padding-top: 60px;
+}
+
+#wp-fullscreen-title {
+    font-size: 1.7em;
+    line-height: 100%;
+    outline: medium none;
+    padding: 6px 7px;
+    width: 100%;
+    margin-bottom: 30px;
+}
+
+#wp-fullscreen-container {
+	padding: 4px 10px 50px;
+}
+
+#wp-fullscreen-title,
+#wp-fullscreen-container {
+	-webkit-border-radius: 0;
+	border-radius: 0;
+	border: 1px dashed transparent;
+	background: transparent;
+	-moz-transition-property: border-color;
+	-moz-transition-duration: 0.6s;
+	-webkit-transition-property: border-color;
+	-webkit-transition-duration: 0.6s;
+	-o-transition-property: border-color;
+	-o-transition-duration: 0.6s;
+	transition-property: border-color;
+	transition-duration: 0.6s;
+}
+
+#wp_mce_fullscreen {
+	width: 100%;
+	min-height: 300px;
+	border: 0;
+	background: transparent;
+	font-family: Consolas, Monaco, monospace;
+	line-height: 1.6em;
+	padding: 0;
+	overflow-y: hidden;
+	outline: none;
+	resize: none;
+}
+
+#wp-fullscreen-tagline {
+	color: #BBBBBB;
+	font-size: 18px;
+	float: right;
+	padding-top: 5px;
+}
+
+/* =Top bar
+-------------------------------------------------------------- */
+#fullscreen-topbar {
+	position: fixed;
+	top: 0;
+	left: 0;
+	z-index: 150050;
+	border-bottom-style: solid;
+	border-bottom-width: 1px;
+	min-width: 800px;
+	width: 100%;
+	height: 40px;
+}
+
+#wp-fullscreen-toolbar {
+	padding: 6px 10px 0;
+	clear: both;
+	max-width: 1100px;
+	min-width: 820px;
+	margin: 0 auto;
+}
+
+#wp-fullscreen-mode-bar,
+#wp-fullscreen-button-bar,
+#wp-fullscreen-close,
+#wp-fullscreen-count {
+	float: left;
+}
+
+#wp-fullscreen-save {
+	float: right;
+	padding: 2px 2px 0 5px;
+}
+
+#wp-fullscreen-count,
+#wp-fullscreen-close {
+	padding-top: 5px;
+}
+
+#wp-fullscreen-central-toolbar {
+	margin: auto;
+	padding: 0;
+}
+
+#wp-fullscreen-buttons > div {
+	float: left;
+}
+
+#wp-fullscreen-mode-bar {
+	padding: 1px 14px 0 0;
+}
+
+#wp-fullscreen-modes a {
+	display: block;
+	font-size: 11px;
+	text-decoration: none;
+	float: left;
+	margin: 1px 0 0 0;
+	padding: 2px 6px 2px;
+	border-width: 1px 1px 1px 0;
+	border-style: solid;
+	border-color: #bbb;
+	color: #777;
+	text-shadow: 0 1px 0 #fff;
+	background-color: #f4f4f4;
+	background-image: -moz-linear-gradient(bottom,  #e4e4e4,  #f9f9f9);
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#e4e4e4), to(#f9f9f9));
+}
+
+#wp-fullscreen-modes a:hover,
+.wp-html-mode #wp-fullscreen-modes a:last-child,
+.wp-tmce-mode #wp-fullscreen-modes a:first-child {
+	color: #333;
+	border-color: #999;
+	background-color: #eee;
+	background-image: -moz-linear-gradient(bottom,  #f9f9f9,  #e0e0e0);
+	background-image: -webkit-gradient(linear, left bottom, left top, from(#f9f9f9), to(#e0e0e0));
+}
+
+#wp-fullscreen-modes a:first-child {
+	border-width: 1px;
+	-webkit-border-top-left-radius: 3px;
+	-webkit-border-bottom-left-radius: 3px;
+	border-top-left-radius: 3px;
+	border-bottom-left-radius: 3px;
+}
+
+#wp-fullscreen-modes a:last-child {
+	-webkit-border-top-right-radius: 3px;
+	-webkit-border-bottom-right-radius: 3px;
+	border-top-right-radius: 3px;
+	border-bottom-right-radius: 3px;
+}
+
+#wp-fullscreen-buttons .active a {
+	background: inherit;
+}
+
+#wp-fullscreen-buttons .hidden {
+	display: none;
+}
+
+#wp-fullscreen-buttons .disabled {
+	opacity: 0.5;
+}
+
+.wp-html-mode #wp-fullscreen-buttons div {
+	display: none;
+}
+
+.wp-html-mode #wp-fullscreen-buttons div.wp-fullscreen-both {
+	display: block;
+}
+
+#fullscreen-topbar.fullscreen-make-sticky {
+	display: block !important;
+}
+
+#wp-fullscreen-save img {
+	vertical-align: middle;
+}
+
+#wp-fullscreen-save img,
+#wp-fullscreen-save span {
+	padding-right: 4px;
+	display: none;
+}
+
+#wp-fullscreen-buttons .mce_image .mce_image {
+	background-image: url('../../wp-admin/images/media-button.png?ver=20120201');
+	background-position: 3px 3px;
+}
+
+/* =Thickbox Adjustments
+-------------------------------------------------------------- */
+.fullscreen-active #TB_overlay {
+	z-index: 150100;
+}
+
+.fullscreen-active #TB_window {
+	z-index: 150102;
+}
+
+/* =TinyMCE Adjustments
+-------------------------------------------------------------- */
+#wp_mce_fullscreen_ifr {
+	background: transparent;
+}
+
+#wp_mce_fullscreen_parent #wp_mce_fullscreen_tbl tr.mceFirst {
+	display : none;
+}
+
+#wp-fullscreen-container .wp_themeSkin table td {
+	vertical-align: top;
+}
+
+/* Colors */
+.fullscreen-overlay {
+	background: #fff;
+}
+
+.wp-fullscreen-focus #wp-fullscreen-title,
+.wp-fullscreen-focus #wp-fullscreen-container {
+	border-color: #ccc;
+}
+
+#fullscreen-topbar {
+	border-bottom-color: #DFDFDF;
+	background-color: #f1f1f1; /* Fallback */
+	background-image: -ms-linear-gradient(top, #f9f9f9, #ececec); /* IE10 */
+	background-image: -moz-linear-gradient(top, #f9f9f9, #ececec); /* Firefox */
+	background-image: -o-linear-gradient(top, #f9f9f9, #ececec); /* Opera */
+	background-image: -webkit-gradient(linear, left top, left bottom, from(#f9f9f9), to(#ececec)); /* old Webkit */
+	background-image: -webkit-linear-gradient(top, #f9f9f9, #ececec); /* new Webkit */
+	background-image: linear-gradient(top, #f9f9f9, #ececec); /* proposed W3C Markup */
+}
+
+/* =CSS 3 transitions
+-------------------------------------------------------------- */
+
+.fade-1000,
+.fade-600,
+.fade-400,
+.fade-300 {
+	opacity: 0;
+	-moz-transition-property: opacity;
+	-webkit-transition-property: opacity;
+	-o-transition-property: opacity;
+	transition-property: opacity;
+}
+
+.fade-1000 {
+	-moz-transition-duration: 1s;
+	-webkit-transition-duration: 1s;
+	-o-transition-duration: 1s;
+	transition-duration: 1s;
+}
+
+.fade-600 {
+	-moz-transition-duration: 0.6s;
+	-webkit-transition-duration: 0.6s;
+	-o-transition-duration: 0.6s;
+	transition-duration: 0.6s;
+}
+
+.fade-400 {
+	-moz-transition-duration: 0.4s;
+	-webkit-transition-duration: 0.4s;
+	-o-transition-duration: 0.4s;
+	transition-duration: 0.4s;
+}
+
+.fade-300 {
+	-moz-transition-duration: 0.3s;
+	-webkit-transition-duration: 0.3s;
+	-o-transition-duration: 0.3s;
+	transition-duration: 0.3s;
+}
+
+.fade-trigger {
+	opacity: 1;
+}
+
+/* Distraction Free Writing - RTL
+ * =Overlay Styles
+-------------------------------------------------------------- */
+
+/* No RTL for now, this space intentionally left blank */
+
+/* =Overlay Body
+-------------------------------------------------------------- */
+.rtl #wp-fullscreen-tagline {
+	float: left;
+}
+
+/* =Top bar
+-------------------------------------------------------------- */
+.rtl #fullscreen-topbar {
+	left:auto;
+	right: 0;
+}
+
+.rtl #wp-fullscreen-mode-bar,
+.rtl #wp-fullscreen-button-bar,
+.rtl #wp-fullscreen-close,
+.rtl #wp-fullscreen-count {
+	float: right;
+}
+
+.rtl #wp-fullscreen-save {
+	float: left;
+}
+
+.rtl #wp-fullscreen-save {
+	padding: 2px 5px 0 2px;
+}
+
+.rtl #wp-fullscreen-buttons > div {
+	float: right;
+}
+
+.rtl #wp-fullscreen-mode-bar {
+	padding: 1px 0 0 14px;
+}
+
+.rtl #wp-fullscreen-modes a {
+	float: right;
+	border-width: 1px 0 1px 1px;
+}
+
+.rtl #wp-fullscreen-modes a:first-child {
+	-webkit-border-top-left-radius: 0;
+	-webkit-border-top-right-radius: 3px;
+	-webkit-border-bottom-left-radius: 0;
+	-webkit-border-bottom-right-radius: 3px;
+	border-width: 1px;
+	border-top-left-radius: 0;
+	border-top-right-radius: 3px;
+	border-bottom-right-left: 0;
+	border-bottom-right-radius: 3px;
+}
+
+.rtl #wp-fullscreen-modes a:last-child {
+	-webkit-border-top-right-radius: 0;
+	-webkit-border-top-left-radius: 3px;
+	-webkit-border-bottom-right-radius: 0;
+	-webkit-border-bottom-left-radius: 3px;
+	border-top-right-radius: 0;
+	border-top-left-radius: 3px;
+	border-bottom-right-radius: 0;
+	border-bottom-left-radius: 3px;
+}
+
+.rtl #wp-fullscreen-save img,
+.rtl #wp-fullscreen-save span {
+	padding-right: 0;
+	padding-left: 4px;
+}
+
+/* =Thickbox Adjustments
+-------------------------------------------------------------- */
+/* No RTL for now, this space intentionally left blank */
+
+
+/* =TinyMCE Adjustments
+-------------------------------------------------------------- */
+/* No RTL for now, this space intentionally left blank */
+
diff --git a/wp-includes/js/quicktags.dev.js b/wp-includes/js/quicktags.dev.js
index 903f320994..eed3b92ec6 100644
--- a/wp-includes/js/quicktags.dev.js
+++ b/wp-includes/js/quicktags.dev.js
@@ -599,7 +599,7 @@ function edButton(id, display, tagStart, tagEnd, access, open) {
 	};
 	qt.FullscreenButton.prototype = new qt.Button();
 	qt.FullscreenButton.prototype.callback = function(e, c) {
-		if ( c.id != 'content' || typeof(fullscreen) == 'undefined' )
+		if ( !c.id || typeof(fullscreen) == 'undefined' )
 			return;
 
 		fullscreen.on();
diff --git a/wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js b/wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js
index 6290c11233..3f43229348 100644
--- a/wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js
+++ b/wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin_src.js
@@ -34,7 +34,7 @@
 			ed.addCommand('wpFullScreenInit', function() {
 				var d, b, fsed;
 
-				ed = tinymce.get('content');
+				ed = tinyMCE.activeEditor;
 				d = ed.getDoc();
 				b = d.body;