diff --git a/src/wp-admin/css/wp-admin.css b/src/wp-admin/css/wp-admin.css
index c57149a5b9..76c6da9b30 100644
--- a/src/wp-admin/css/wp-admin.css
+++ b/src/wp-admin/css/wp-admin.css
@@ -1088,7 +1088,7 @@ p.install-help {
 }
 
 hr {
-	border: 0; 
+	border: 0;
 	border-top: 1px solid #ddd;
 	border-bottom: 1px solid #fafafa;
 }
@@ -10291,8 +10291,8 @@ div#widgets-right .closed .widgets-sortables {
 	float: none;
 }
 
-/* Dragging a widget over a closed sidebar */ 
-#widgets-right .widgets-holder-wrap.widget-hover { 
+/* Dragging a widget over a closed sidebar */
+#widgets-right .widgets-holder-wrap.widget-hover {
 	border-color: #777;
 	box-shadow: 0 1px 2px rgba(0,0,0,0.3);
 }
@@ -10997,7 +10997,7 @@ li#wp-admin-bar-menu-toggle {
 		margin: 7px;
 		line-height: 16px;
 	}
-	
+
 	.wp-upload-form input[type=submit] {
 		margin-top: 10px;
 	}
@@ -11245,7 +11245,7 @@ li#wp-admin-bar-menu-toggle {
 	ul.category-tabs li.tabs {
 		padding: 15px;
 	}
-	
+
 	.press-this ul.category-tabs li.tabs {
 		padding: 3px 5px 5px; /* Reset tabs in Press This to standard size */
 	}
@@ -12141,89 +12141,89 @@ li#wp-admin-bar-menu-toggle {
 	#comments-form .checkforspam {
 		display: none;
 	}
-	
+
 	/* Reset responsive styles in Press This */
-	
+
 	.press-this a.wp-switch-editor {
 		font: 13px/19px "Open Sans", sans-serif;
 		margin: 5px 0 0 5px;
 		padding: 3px 8px 4px;
 	}
-	
+
 	.press-this #wp-content-media-buttons a {
 		padding: 0;
 		line-height: normal;
 		height: auto;
 	}
-	
+
 	.press-this #wp-content-editor-tools {
 		padding: 0;
 		top: 3px;
 	}
-	
+
 	.press-this .category-tabs {
 		margin-top: 0;
 	}
-	
+
 	.press-this .tagsdiv .newtag {
 		width: 120px;
 		padding: 3px 5px;
 		margin-bottom: 0;
 	}
-	
+
 	.press-this .tagchecklist {
 		padding: 0;
 		margin-bottom: 0;
 	}
-	
+
 	.press-this .wp_themeSkin a.mceButton {
 		width: 20px;
 		height: 20px;
 	}
-	
+
 	.press-this .wp_themeSkin .mceButton .mceIcon {
 		margin: 0;
 	}
-	
+
 	.press-this #poststuff h3,
 	.press-this .metabox-holder h3 {
 		padding: 7px 12px;
 	}
-	
+
 	.press-this input[type=checkbox],
 	.press-this input[type=radio] {
 		height: 16px;
 		width: 16px;
 	}
-	
+
 	.press-this input[type=checkbox]:checked:before {
 		width: 16px;
 		font: normal 21px/1 'dashicons';
 		margin: -3px 0 0 -4px;
 	}
-	
+
 	.press-this input[type=radio]:checked:before {
 		font: normal 21px/1 'dashicons';
 		width: 6px;
 		height: 6px;
 		margin: 4px;
 	}
-	
+
 	.press-this ul#categorychecklist ul,
 	.press-this ul#categorychecklist li {
 		margin-top: 0;
 		margin-bottom: 0;
 	}
-	
+
 	.press-this div.quicktags-toolbar input {
 		padding: 2px 4px;
 	}
-	
+
 	.press-this textarea,
 	.press-this input {
 		font-size: 14px;
 	}
-	
+
 	.press-this .tagchecklist span {
 		font-size: 13px;
 		line-height: 1.8em;
@@ -12326,22 +12326,22 @@ li#wp-admin-bar-menu-toggle {
 	#adminmenuback {
 		display: none;
 	}
-	
+
 	.wp-responsive-open #adminmenuwrap,
 	.wp-responsive-open #adminmenuback {
 		display: block;
 	}
-	
+
 	/* Disable horizontal scroll when responsive menu is open
 	   since we push the main content off to the right. */
 	#wpwrap.wp-responsive-open {
 		overflow-x: hidden;
 	}
-	
+
 	html.wp-toolbar {
 		padding-top: 0;
 	}
-	
+
 	#wpbody {
 		padding-top: 46px;
 	}
@@ -12349,7 +12349,7 @@ li#wp-admin-bar-menu-toggle {
 	.auto-fold #adminmenu {
 		top: 46px;
 	}
-	
+
 	#wp-responsive-overlay {
 		position: fixed;
 		top: 0;
@@ -12358,7 +12358,7 @@ li#wp-admin-bar-menu-toggle {
 		height: 100%;
 		z-index: 400;
 	}
-	
+
 	/* Keep full-width boxes on Edit Post page from causing horizontal scroll */
 	div#post-body.metabox-holder.columns-1 {
 		overflow-x: hidden;